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明星资讯腾讯娱乐2018年10月23日 20:43:43
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Science and Technology Education Learning difficulties科技 教育 学习的难处Making something hard to means it is more likely to be remembered读起来费劲记起来就容易A PARADOX of education is that presenting information in a way that looks easy to learn often has the opposite effect.关于教学有个看似矛盾之处:用一种看起来简单的方式呈现信息通常会适得其反。Numerous studies have demonstrated that when people are forced to think hard about what they are shown they remember it better, so it is worth looking at ways this can be done.大量研究已表明,如果能迫使人们费一番力气去考虑他所看到的东西,那么他记忆的效果就会更好。所以,有哪些方法能让人们去;费这个力气;值得关注。And a piece of research about to be published in Cognition, by Daniel Oppenheimer, a psychologist at Princeton University, and his colleagues, suggests a simple one: make the text conveying the information harder to .由普林斯顿大学心理学家,丹尼尔 奥本海默及其同事们共同完成的一项研究结果即将发表在《认知》杂志上,提出了一种很简单的方法:让传达信息的文本读起来更费劲一些。Dr Oppenheimer recruited 28 volunteers aged between 18 and 40 and asked them to learn, from written descriptions, about three ;species; of extraterrestrial alien, each of which had seven features.奥本海默士招募了28名年龄在18到40岁的志愿者,要求他们从书面文本的描述中学习关于三;种;外星生物的知识,其中每种生物又包含了七种特征。This task was meant to be similar to learning about animal species in a biology lesson. It used aliens in place of actual species to be certain that the participants could not draw on prior knowledge.这项任务旨在模拟生物课上学习动物种类的过程,它之所以用外星生物代替实际物种,是为了确保测试者不会凭借其原有的知识进行记忆。Half of the volunteers were presented with the information in difficult-to- fonts (12-point Comic Sans MS 75% greyscale and 12-point Bodoni MT 75% greyscale).半数志愿者读的信息是;难看;的字体(12磅,Comic Sans MS字体,灰度75%和12磅Bodoni字体,灰度75%)。The other half saw it in 16-point Arial pure-black font, which tests have shown is one of the easiest to .另外半数读的则是16磅大小、Arial纯黑字体(这种字体经测试表明,读起来最省力)。Participants were given 90 seconds to memorise the information in the lists. They were then distracted with unrelated tasks for a quarter of an hour or so, before being asked questions about the aliens, such as ;What is the diet of the Pangerish?;所有测试者有90秒时间记住清单上的信息,然后进行大约15分钟不相关的测试以分散他们的注意力,最后才提问他们关于外星生物的问题,例如;潘格里氏主要吃什么?;and ;What colour eyes does the Norgletti have?; The upshot was that those ing the Arial font got the answers right 72.8% of the time, on average. Those forced to the more difficult fonts answered correctly 86.5% of the time.,;诺格莱蒂的眼睛是什么颜色?;等等。结果,读Arial字体的测试者平均有72.8%的正确率,而那些不得不费劲读;难看;字体的测试者正确率则达到86.5%。The question was, would this result translate from the controlled circumstances of the laboratory to the unruly environment of the classroom?问题来了,在实验室控制环境下得出的结果能否也适用于教室这种难以人为控制的环境呢?It did. When the researchers asked teachers to use the technique in high-school lessons on chemistry, physics, English and history, they got similar results.是肯定的。研究人员让教师们将这种方式应用到高中的化学、物理、英语和历史等课堂上,得到了类似的结果。The lesson, then, is to make text books harder to , not easier.那么结论就是,应该把书本印得难读一点,不要让它看着那么舒。 /201301/218185

Business B Corps Firms with benefits商业 互益性企业 心系社会的企业A new sort of caring, sharing company gathers momentum一种关爱社会、分享利益的新型公司形式方兴未艾HE likes to do things differently.伊冯?乔伊纳德**喜欢别出心裁地做事。Yvon Chouinard changed his favourite sport, mountaineering, by introducing reusable pitons (the metal spikes you bang into the rock face and attach a rope to).他在其最终爱的登山运动中融入了变化:使用可循环利用的岩石钉(登山者把这种金属长钉敲进岩壁后在上面栓绳索)。Climbers often used to leave pitons in the cliff, which is environmentally messy, another of Mr Chouinards peeves.在此之前,登山者通常把岩石钉留在崖壁中,这种对环境不利的行为让乔伊纳德十分气恼。In business, Mr Chouinard, the founder of Patagonia, an outdoor-clothing firm, says he believes that well-treated employees perform better. (He wrote a book called: ;Let My People Go Surfing;.)乔伊纳德是巴塔哥尼亚(Patagonia)户外用品公司的创始人,其经商理念是:善待员工可提升其业绩。(他写过一本书:《我的员工随时去冲浪》*** 。)Before it was fashionable, Mr Chouinard preached a philosophy of sustainability and long-term profitability that he calls ;the slow company;.在这一理念被广为接受之前,乔伊纳德宣扬的是可持续发展且可长线盈利的经商哲学,他将其称为;慢速公司;。On January 3rd Patagonia was anything but slow in becoming the first firm to take advantage of a new California law designed to give businesses greater freedom to pursue strategies which they believe benefit society as a whole rather than having to concentrate on maximising profits for the next financial quarter.1月3日,巴塔哥尼亚的表现一点都不慢:它成为了第一家响应加利福尼亚州新法出台的公司。加州新法给予了公司更大的自由度去达成其认为可造福全社会的战略目标,而非必须专注于如何在下一财季中将盈利最大化。According to Mr Chouinard, the new ;benefit corporation;—usually referred to as a B Corp—creates the legal framework for firms like his to remain true to their social goals.乔伊纳德认为,新型的;互益性法人组织;为心系社会的企业(比如他自己的公司)构建了法律框架。To qualify as a B Corp, a firm must have an explicit social or environmental mission, and a legally binding fiduciary responsibility to take into account the interests of workers, the community and the environment as well as its shareholders.可以被归为互益性企业的公司必须要有一项明确的社会或环境目标,并须承担具法律约束力的信托责任:在考虑其股东权益的同时也必须考虑其员工、社会和环境的利益。It must also publish independently verified reports on its social and environmental impact alongside its financial results.除公开其财务业绩之外,互益性企业必须就其对社会和环境产生的影响出具经独立审核的报告。Other than that, it can go about business as usual.除上述约束之外,这类企业可照常开展其业务。The B Corp is a deliberate effort to change the nature of business by changing corporate law, led by B Lab, a non-profit outfit based in Pennsylvania.总部位于宾夕法尼亚州的一个非营利机构,互益性研究室(B Lab),主导了互益性企业这种审慎的尝试,旨在通过修改公司法改变商业的本质。California is the sixth state to allow B Corps; the first was Maryland, in April加利福尼亚州是全美第六个认可互益性企业的州;第一个是马里兰州(2010年4月)。Patagonia was followed immediately by another 11 Californian firms, including Give Something Back Office Supplies, Green Retirement Plans and DopeHut, a clothing retailer. Across America, there are now several hundred B Corps.巴塔哥尼亚在加州很快就有了11个追随者,其中包括回馈办公用品公司(Give Something Back Office Supplies)、绿色退休计划(Green Retirement Plans)及多普客(DopeHut,一家装公司)等加州企业。Before Patagonia, the best-known was probably Seventh Generation, a maker of green detergents, paper towels and other household products.全美现共有数互益性企业。在巴塔哥尼亚加入这一行列之前,最出名的互益性企业可能要数第七世代(Seventh Generation),该公司生产无害洗涤剂、纸巾和其它家居用品。Californias B Corp legislation took effect alongside a new law creating the ;flexible purpose company; (FlexC), which allows a firm to adopt a specific social or environmental goal, rather than the broader obligations of a B Corp.在此次加州出台的新法中,与互益性企业的立法同时生效的是一项构建;弹性目标公司;的新法,该法准许企业设定一项特定的社会或环境目标;与之相比,互益性企业的社会和环境责任更为宽泛。Another option in America is the low-profit limited-liability (LC3) company, which can raise money for socially beneficial purposes while making little or no profit.在美国法系中还有一种低利润有限责任公司的形式,此类公司为社会筹资,其本身盈利甚微甚至不盈利。The idea of a legal framework for firms that put profits second is not confined to America. Britain, for example, has since 2005 allowed people to form ;community interest companies;.为那些将盈利放在次要目的的公司构建法律框架的理念并非美国独有。比如巴西自2005年起就准许个人创办;社会利益公司;。Similar laws are brewing in several European countries.类似的法律框架在欧洲数国也正初现端倪。The impetus for all this comes from people like Mr Chouinard, who believe that existing laws governing corporations and charities are too restrictive.这种理念正是由乔伊纳德这类人士推动发展的。For-profit firms, they argue, often face pressure to abandon social goals in favour of increasing profits.在这些人看来,现存的法律框架对法人组织和慈善机构的限制过严;以盈利为目标的公司往往会因为放大收益的压力而放弃社会责任。Non-profit firms and charities are needlessly restricted in their ability to raise capital when they need to grow.在公司发展过程中,非营利性的企业和慈善机构无需就其筹资能力受到如此严格的制约。This prevents socially minded organisations from pursuing their goals as efficiently as possible.这些法律制约使心系社会的组织无法尽心尽力达成其社会目标。Existing laws for co-operatives and mutual companies are inadequate.现存法律在合作社法人组织和互助公司方面有所缺失。Hence the need for B Corps and other novel structures, goes the argument.所以,乔伊纳德这类人士认为,有必要构建互益性企业和其它创新的组织结构。There is no tax advantage to being a B Corp, but there is to some of the new legal structures.互益性企业在税收方面不享有任何优势,而一些新型的法律结构组织则有退税优势。Whether these new legal forms will change business that much remains to be seen.这些新型的法律结构组织是否能如预期一样改变商业的本质有待于时间的见。Supporters of existing corporate law say it does not prevent firms, if they so wish, from setting social and environmental goals or rigorously reporting on their performance in delivering them—and that pursuing profit is often the best way to benefit society.现存公司法的拥趸认为现存法律框架并未妨碍有此类理念的公司设定社会及环境目标、在达成此类目标的过程中也不会导致业绩严重滑坡——并且,企业盈利就是对社会回馈的最佳方式。Nor is it clear how much difference in practice will be made by the obligation of a B Corp to weigh interests other than profits.互益性公司将社会和环境利益优于盈利的法律责任在实践中到底会产生多少差异也尚不明朗。How does one measure such things?而这类理念该如何权衡呢?What counts for more: a clean lake or a happy neighbour?一条清澈的湖泊和一个和睦的社区,这两者到底哪个更重要?Mr Chouinard argues that making a firms social mission explicit in its legal structure makes it harder for a new boss or owner to abandon it.乔伊纳德认为,将企业的社会目标在其法律构架中载明之后,该企业的新老板或新所有人就会难以放弃这一目标。Perhaps so. B Corps will be tested in the market.也许确实如此。市场会考验互益性公司。Anyone who feels inspired by a B Corps mission is free to invest in its shares, or work for it.那些被互益性公司目标所鼓舞的人士,欢迎随时投资或入职。 /201211/210626

  

  One thing we dont quite understand is why the local press should hype the maternity leave the Ministry of Education has decided to grant high-school girls. Perhaps there was no other issue the local media thought interesting enough to attract ers and viewers.我们非常不理解,当地媒体为何对教育部准予高中女生休产假这件事如此大肆炒作;;大概是他们没有其它可以吸引读者和观众的事情了吧。Such help is aly available in all developed countries of the world, however. In the ed States, for instance, high-school mothers can even feed their babies between classes. But, this seemingly insignificant piece of news did not escape the eyes of reporters with a nose for news, like those of a bloodhound for game. They wanted a hullabaloo.其实,这种事在所有的发达国家都见怪不怪了。例如,美国的高中生母亲甚至可以在课间给自己的婴儿喂奶。但是,这件看似不起眼的消息没能逃脱那些新闻嗅觉灵敏的记者们的眼睛。他们就像一个个猎犬一样。他们要的是一个爆炸性的效果。Fortunately, they did not succeed. The reason is simple. Taiwanese parents mostly agreed that something had to be done for hapless girls carrying babies while attending high school. Awarding them maternity leave is the least the education ministry can and should do to help them. There are not many high-school mothers, but that does not mean the authorities should ignore their predicament. For one thing, they are, as often as not, ostracized by their peers. As a result, many pregnant teens abort unwanted babies. Most of the new mothers drop out of school, with little chance to complete secondary education.幸运的是,他们的如意算盘落空了。原因很简单。台籍家长们大多认为,他们应该为那些无助的高中生妈妈们做点什么。准许她们休产假算是教育部能为她们所做的最起码的事。虽然高中生妈妈并非多数,但这并不意味着当局就应忽视她们的困境。此外,她们往往受到同龄人的排斥。因此,许多怀的少女选择了堕胎。就是那些生下孩子的新妈妈们,她们大多也会选择辍学,鲜有人能够完成中学学业。At any rate, it is of paramount importance that all students realize that all newborn babies are welcome.无论如何,所有的学生都意识到,每个新生儿都应受到呵护;;这才是最重要的。201202/171603。

  Rabbits Down Under澳大利亚的兔子In 1859, an unassuming Australian landowner named Thomas Austin got the hunting bug. Eager for something to shoot, he released twenty-four wild rabbits onto his property and had a jolly time tracking them down. Unfortunately, some of the rabbits managed to escape and, as rabbits are known to do, began to breed like…well, rabbits.1959年,澳大利亚一位默默无名的地主——Thomas Austin在打猎上碰到了瓶颈。在强烈的打猎欲望的催使下,他在自家的土地上放生了24头野兔。一时之间,他的一大乐趣便是找出那些兔子。可偏偏就有那么一些兔子逃了出去,做着我们所知兔子该做的事——生殖繁衍。By 1900, Austin was dead but his unwanted legacy lived on in the form of a rabbit infestation that sp throughout the entire Australian continent. Desperate landowners scrambled to capture over two million rabbits per year, but this hardly made a dent in the rabbit population. Rabbits, it seemed, had taken up permanent residence down under.1900年,Austin去世了。但是他那些让人头疼的“遗产”却已然遍布整个澳大利亚大陆,它们成群结队地袭击着一个个的庄园,让人头疼不已。农场主们别无他法,只能大量地捕兔子。每年,农场主们能捕到超过两百万只兔子,可是,这只能算是冰山一角,区区两百万对兔子这一群体不够成任何影响。就这样,兔子俨然已成澳大利亚的“常住居民”。With its long ears, twitching nose, and adorable hopping ability, the individual rabbit is fairly cute. Multiply that bunny by millions, however, and they begin to seem entirely sinister. The great Australian rabbit infestation was ecologically devastating. The buck-toothed creatures helped extinguish nearly one-eighth of Australia’s native mammal species and led to the extinction of countless numbers of plants, leading to widesp soil erosion.乍看上去,长长的耳朵,抽动的鼻子和蹦蹦跳跳的可爱姿势,兔子真的是可爱得不行。当然,这只是针对一只兔子而言。如果是上百万只兔子聚在一起,那简直就是灾难。澳大利亚兔子的“横行霸道”从生态学上来看简直就是毁灭性的。这些长着小龅牙的生物“帮助”澳大利亚八分之一的土著哺乳动物走向灭绝,顺道再让不计其数的植物从此消逝,最后的结果便是,澳大利亚严重的大面积水土流失。The Australian government tried to corral the rabbits by building so-called rabbit-proof fences across vast stretches of land. Undaunted, the rabbits burrowed under. Finally, in the 1950s, the Australians resorted to chemical warfare, injecting several rabbits with myxoma, an experimental virus known to target and kill rabbits. The virus sp, and the rabbit population dropped from six-hundred million to one-hundred million.澳大利亚政府也曾圈出大片土地,围上所谓的防兔围栏,试图将兔子都赶到一个地方。可是,这些兔子是毫无畏惧的,它们从地底挖了洞,就这样就逃了出来。到后来的20世纪50年代,澳大利亚人终将化学药物投入了人兔大战中。人们将粘液瘤注入兔子体内,粘液瘤是一种用来杀兔子的实验用病毒。随着该病毒的传播,兔子数量从6亿只急速减至1亿只。But that’s still a lot of rabbits, and those with a natural resistance to the virus began breeding with a fury. And so, the rabbit wars carry on still.但是,1亿仍是一个很大的数目。而且有些兔子天生就对这种病毒有抗体,接着这些兔子开始迅猛繁殖。因而,直至今天,在澳大利亚这片土地上人兔大战仍在进行着。 /201301/222092

  Stokes turned out to be entirely unreliable.斯托克斯被明完全不可靠。Just two months after he got here, Vincent learned that the school was closing and moving to Isleworth, a London suburb where Stokes promised Vincent a proper job.在仅仅两个月后他到这里的时候,文森特得知学校被关闭并且已经搬到伦敦郊区的艾尔沃斯,斯托克斯承诺文森特在那里会有一份合适的工作。Vincent decided to walk there and to visit his sister on the way, who was teaching in Welling a mere 100 miles away.文森特决定步行去那里,并且顺便去拜访他的,她在威林仅100英里之外教学。Vincent got there in three days.文森特花了三天走到那里。Ive got a pal, a regular out and outer.我有一位朋友,一位常规和常理之外的朋友。Shes a dear old gal.她是一位可爱的老相识。Oh, Ill tell you all about her.哦,我会告诉你关于她的一切。This walking business wasnt just a case of saving on rail fares.这不仅仅是一桩节省铁路票价的事情。He was driven to do it by the religious mania that was growing in him.他越来越笃信不疑的宗教狂热驱使着他。Hed been ing Pilgrims Progress by John Bunyan.他一直在看约翰·班扬的《天路历程》。It affected him immediately.他即刻受到影响。He wasnt a penniless Dutch teacher walking to see his sister.他不单单是一位去看望自己的身无分文的荷兰老师。He was a humble pilgrim making his difficult way in life.他是一位历经着自己生活磨难的谦虚朝圣者。Its a feeling Vincent never lost.这是一种文森特永远不会失去的感觉。注:听力文本来源于普特201208/194977

  Beware Of Text Neck!小心短信脖子Remember when the Blackberry was all the rage, and people worried about straining their thumbs typing on that tiny keyboard?还记得黑莓很流行的时候,人们担心在那个小小的键盘上拉紧拇指输入对手指不好吗?Well, now that the iPhone and other smart phones have taken center stage, theres another malady gaining traction text neck.嗯,既然苹果手机和其他智能手机已成为主流,另一种弊端出现了,就是会产生短信脖子。Seriously text neck, as in all that hunching over phones and tablets playing Angry Birds, causing muscles in the neck, shoulders, and even arms and hands to become strained. And all that strain can lead to chronic pain, because the joints and muscles of the neck and shoulders are not meant to be flexed for long periods.严肃地说,当人们低着头弓着身体玩着手机或者平板电脑里的游戏,比如愤怒的小鸟时,就会使得脖子上、肩膀甚至手臂上和手上的肌肉处于拉紧的状态。这些全部的拉紧会导致慢性疼痛,因为脖子,肩膀连接处和肌肉本应该处于很长的放松的状态的。There’s even been a study on the text neck phenomenon. It found that among 140 students or so surveyed, those who used tablets and smart phones at least three hours a day were more likely to experience neck and shoulder pain than those who used the devices less frequently.甚至还有一个关于短信脖子现象的研究。在被调查的140多个学生当中,相比那些不经常使用的人,那些每天至少玩三个小时平板电脑和智能手机人更有可能会脖子和肩膀疼。True, 140 students is a pretty small sample. But anecdotal evidence is legion. And chiropractors and orthopedic doctors have been advising people to avoid text neck by not hunching over their devices. Instead, try tucking your elbows into your side and holding the device up by your chest.事实上,140个学生是个很小的抽样检查。但是轶事据却是大量的。脊椎师和整形外科的医生已经建议人们为了避免短信脖子,用那些电子产品时尽量不要弓着脖子。试着在一边托着你的肘部拿着那些电子产品的高度要在胸部以上。And, of course, it’s important to take regular breaks from staring into your smart phone’s bottomless digital playground.当然,有规律地暂时从盯着你的智能手机的游戏无底洞式的画面转移,休息一下很重要。There’s even a text neck app that alerts you when you’re hunching over your device and reminds you to straighten up.甚至有防止短信脖子应用出现了,当你弓着脖子盯着电子设备时,提醒你要伸直脖子。 /201206/186647Banana Island, this is Boardwalk in the U.S. edition, Mayfair in the U.K. version. This is the most expensive piece of real estate in Lagos and in Monopoly: multi-million-dollar mansions, manicured lawns and swimming pools.香蕉岛,在美国版游戏中被称为Boardwalk,而在英国版是Mayfair。这是大富翁拉各斯最昂贵的一处房产,数百万美元的豪宅,拥有修剪整齐的草地和游泳池。Right here is Makoko, the Venice of Lagos, the cheapest piece of real estate on the board game. Now What I found quite interesting is that there are sponsored spots. All right, First Bank. You can see here for Banana Island. But on Makoko I guess nobody wants to sponsor the poorest and cheapest piece of real estate on this Monopoly board game. Monopoly was launched in 1935 in the ed States at the height of the Great Depression. The game was a way for most people who were earning just a couple of dollars a day to experience the life as a real estate noble, earning millions of dollars a year.然而,马科科,拉各斯的,最这一棋盘游戏中最便宜的房产。香蕉岛上有许多由第一赞助的景点。但是,有趣的是,在马科科,我猜没人愿意在大富翁棋盘游戏中的最便宜、最贫穷的地产上赞助任何项目。大富翁游戏发行之际,正值美国1935年经济大萧条最严重之时。对于每天只能挣得几美元的大多数人来说,这一游戏成为他们体验那种拥有豪华房产,每年轻松赚得上百万美元的生活的一种方式。Lagos State Government was heavily involved in bringing this game to Nigeria. Part of the reason was to promote the city, but also to encourage people to follow traffic regulations. Youve seen images of Lagos. You know that the city is clogged with traffic, so here one of the cards for the chance cards, for using the overheads pedestrian bridge, move forward three spaces. Many people try to run across highways, and many are killed every year. There are Pedestrian bridges above that traffic, and this is to encourage usage of those bridges. The game is still sold relatively cheaply in the ed States and U.K. On amazon.com, you can buy about 18 dollars, and in the U.K. you can buy 9 pounds 70. But here in Nigeria, the price is close to 40 dollars, putting it out of reach for most ordinary Nigerians, who earn less than 2 dollars a day.拉各斯州政府亲自大力持这一游戏进入尼日利亚市场。部分原因在于推动该市发展,同时鼓励人们遵守交通法规。你可能想象过拉各斯的情况。这一城市交通堵塞情况十分严重,因此,应该采用过街人行天桥。但是,许多人都企图穿越高速公路,每年有很多人因此丧生。拉各斯是过街人行天桥的,企图通过这一游戏使用这些天桥。目前,这一游戏在美国和英国卖得仍然相当便宜。通过On amazon.com网站,你仅花大约18美元就可以买上,而在英国是9.7英磅。但是,在尼日利亚,价格高达近40美元,远远超出了一般的尼日利亚人的消费能力,他们每天的收入不到2美元。Lagos, the first African city to be featured in the world famous board game Monopoly. Lets go explore some of the sites and Landmarks.拉各斯是出现在世界闻名的大富翁棋盘游戏中的第一座非洲城市。让我们来探索这里的一些地址和地标吧。 201212/217895

  Making Contact为什么戴隐形眼镜看东西更清楚?I get contact lenses to replace my glasses and its like Im seeing the world through new eyes. Its miraculous!终于摆脱框架眼镜了,从隐形眼镜看世界,感觉是全新的!真是太神奇了!Acutlly, Don, there is nothing miraculous about it.东,事实上,这是你的错觉。Who tell?你怎么知道?Well, like glasses, contact lenses work by bending light rays just the right amount to make the object come into focus on the retina at the back of the eye. Sometimes the eyes natural lens has an imperfection or may not be shaped properly, which can make your vision blurry or distorted. Depending on your vision, the right kind of lens helps your eye focus light properly and project a clear image onto the retina.和框架眼镜原理一样,隐形眼镜调节适量的光线进入眼睛,在眼睛后的视网膜上聚焦成像。有时候,眼睛晶状体老化或不完善都将造成视力模糊或扭曲。适合你视力的隐形眼镜纠正视力,辅助眼睛屈光,在视网膜上清楚成像。Ok, fine. But why do contact lenses make things seem so clear?好吧,那么你能说说为什么戴隐形眼镜看东西更清楚吗?Patience, younger princess! Glasses have whats called an optical center, which means that objects appear clearest when viewed through the center of the lenses. But when youre wearing glasses and you move your eyes to the side, or up, or down, things can seem slightly distorted or blurry.别急呀,老兄!框架眼镜的镜片上有光心,当视野正好穿过,看到的图像最清楚。但是,当你戴框架眼镜,上下左右转动眼珠,看到的东西就略显模糊或扭曲。So because contacts are right on the eye and move with the eye, theres no optical center.所以,因为隐形眼镜直接接触眼珠,跟随眼珠转动,就不存在光心了。Right! To put it another way, the entire contact lens is the optical center. So no matter which way you move your eyes, objects appear in perfect focus.就是这样,或者你把整个隐形眼镜都看作光心,无论你怎么转动眼珠,视野正好透过光心。 /201302/226585

  Its Friday February 11th. Im Mark Licea and its time to get loaded.今天是2月1日,周五。我是Mark Licea,是时候了解最新资讯了。Nokia is embracing Windows Phone 7 on its future handsets. Microsoft and Nokia announced that Windows Phone will be the primary smart phone OS for Nokia phones but this doesnt mean Nokia will exclusively run Windows Phone 7 on its devices. Bing will be the default search on Nokia phones and Nokia maps will power many Microsoft services on the phone. Nokia and Microsoft will also merge their app stores. No idea how long it takes before Nokias current OS Symbian is phased out.诺基亚未来产品将采用Windows Phone 7系统。微软和诺基亚宣布诺基亚未来智能手机系统将主要采用Windows系统,但这并不意味着诺基亚产品都会采用Windows Phone 7系统。必应搜索将作为诺基亚的默认搜索引擎,诺基亚地图将采用许多微软手机应用。诺基亚和微软还联合推出了应用商城。目前还不得而知诺基亚的塞班操作系统还有多久才会被逐渐淘汰。The Opera mini web browser is coming to the iPad. The company announced that up-to-date Opera mini will launch at Mobile World Congress and be on Android, IOS, Blackberry and Symbian devices along with the iPad. This is the first established browser alternative to hit the iPad after apple safari.Opera移动浏览器将推出iPad版本。这家公司在全球移动大会上宣布将推出安卓,苹果,黑莓,塞班和iPad版本的浏览器。OPera浏览器的更新无疑对苹果的safari浏览器来说将是首次挑战。And ATamp;T doesnt want you to go to Verizon or any other network. Thats why they are offering unlimited cost to any phone on any network for free. Of course its not that simple. You need to have unlimited messaging and a qualifying voice plan. Unlimited messaging is per month or 30 for the family talk plan. ATamp;T is also promoting a sale where Blackberry, Android and Windows Phone 7 devices can be purchased for a penny with a 2-year contract.美国电话电报公司并不想你成为老对头威瑞森公司的客户。因此他们免费让你想打多少电话或上网都能实现。当然这没你想得那么简单。你必须有无限通讯和语音套餐。每月20美元不限短信数量,或30美元使用家庭话费套餐。美国电话电报公司还为黑莓,安卓,windows Phone 7产品定制了为期2年的话费套餐。And T-Mobile has a great sale today and tomorrow T-Mobile will offer every phone four free customers that signed to your contract.德国电信公司最近生意不错,未来前景也很好。德国电信为每一位购买手机并签订合同的用户提供免费拨打的四个号码。And Windows Phone 7 users can make purchases on Amazon with a new app. Its free and lets you search and buy products from the online retailer. Windows Phone 7 specific swipes are also supported to let you slide between product and files like reviews, related items and details.安装应用,Windows Phone 7将可以再亚马逊上购物。这款应用是免费的,使用它,你可以用手机向在线零售商购买商品。Window Phone 7的这款特殊应用将持用户阅读商品及产品信息,详情评价等。And Google wants to make sure your personal information is safe. They are lauching a feature that anyone can enable and lets you log in to Google using your existing password and a special second password that changes. Google will send you a pass code by text or through the Google authenticator app and then you log in. The set maybe intimidating for some but if your information is worth protecting youll do it.谷歌想要确保用户的个人信息安全。登录谷歌的一个新特点就是要输入已注册的账户名和密码,另外还有一个动态密码。谷歌系统将在你登录时自动把动态密码以短信形式发送到你的手机上。这种设计也许太过严谨,但如果你的信息值得这样被保护,你会选择这么做的。Thats your news for the day and that wraps up your week of getting loaded. Im Mark Licea for CNET.com and youve just been loaded.以上就是今天的新闻,也是本周的最新资讯。我是CNET.com的Mark Licea,感谢您的收看。phased out 逐渐淘汰注:本篇文章英文来自普特论坛,译文属原创,,。201210/204104。

  So in some ways, a voyage to Mars could be a voyage home.所以在某些方面,火星之旅可能是一次回家的旅程。Our ancestors have made such bold trips before,我们的祖先之前已经进行了如此大胆的旅行,when we walked at Africa,当我们走过非洲,when we sailed over the horizon.当我们走过地平线。If it’s technically possible,如果是在技术上可行,our ships will held out again.我们的船将再次出行。“We both want to see what’s over the next year,“我们都想看到在未来的几年里,and Mars is that makes all over the hell.火星像地球一样被人熟知。Sure, you gonna have to be in the soon, we can’t have to be in return, but it’s a planet.当然,你能在不久之后,我们可以不需要返回,但它是一颗行星。You got on surface, you can see, you can walk, you can explore.你在表面上,你可以看,你可以行走,你可以探索。“My self about 30 years now that we can go to Mars and usually when people ask me how long you will take,“我自己大约30岁,现在,我们能去火星,而通常当人们问我多久的时候,I say 15 years, because we’ve been same 15 years for the last about 4 decades.”我说15年,因为我们一直在用相同的15年,而最后大约用了40年”。“Our human machine on Mars can have seen enough for me.“在火星上我们人类的机器已经看的够多。I’m, you know, I’m a robot guy.我,你知道,我是一个机器人。That’s what I do in my career, as build robots and send them tomorrow,这就是我在职业生涯中做的,作为建筑机器人,我明天会去送他们,but I also think that we same things tomorrow for reasons other than science.但是我也认为明天同样的事情是原因而不是科学。Our robots, spirited in opportunity were built by people,我们的机器人是由人类建造,who like me, grow up in the 1960s, watching Mercury,polar on TV,他像我一样,在20世纪60年代长大, 在电视上看着水星,看着各种各样的东西,as look as in dreaming, we’ll sending spaceships tomorrow someday.看起来像在做梦一样,我们有一天将发射飞船。注:听力文本来源于普特201205/182742

  The idea of time travel is fascinating and interesting. And certainly, the newer ideas about how the university system constructed, raised the possibility that more dimensions than the 3-dimesions of space and one dimesion of time that we used to hear in the university exist.时光旅行既有趣又吸引人。当然,新观点指出宇宙组成有多维的可能性,人们认为在三维的基础上还有一维时间,自宇宙诞生之时就已开始的时间。The ideas that are often used in fiction where you travel faster than the speed of light in order to change the past. For example at the end of superman 1, superman whizzes around the planet earth, because he is shocked that the Louis Lanes just died. In the great earthquake caused by nuclear explosion when Lex Lothor detonates something.科幻小说中最常见的观点就是,当一个人的速度超越光速,他就能穿越时空改变过去。例如在《超人》1的结尾,超人不敢相信Louis Lane因核爆炸引发的地震而死去,他绕着地球飞行。He breaks the light barrier, travels faster than the speed of light, and then the earth starts go backwards, all of a sudden, Lois Lane rises from the dead.他打破了光的束缚,超越了光速,接着时空倒转,Louis Lane又活了过来。The fanciful ideas of travelling backwards through time by moving faster than the speed of light. Simply, mathematically dont work.超越光速穿越时空的这种奇幻的想法,从数学角度上看并不能实现。Michael J.Fox put plutonium in his lorry and he rocked back the time while plutonium does not have the enough energy to drive the time machine. To energize a time machine, to bend time into a presser, to punch a hole in the fabricated space and time would require the energy of the star. One version of a time machine uses whats called a wormhole. Think of a looking glass in Alice Wonderland. That looking glass is the wormhole. What happens if you go back in time, and kill your parents before youre born. Well, if you kill your parents before you are born, how could you be born because you just kill your parents before youre born. If you go back within time, and you saved Abram Lincon from being assasinated, you would have essentially saved somebody elses Abram Lincon, your Aram Lincon died. If you change the fabricated time, you are changing another parallel universe. These people are genetically identical to the people of your past. But theyre different.Michael J.Fox将钚元素放入车中,结果扭曲了时间,因为钚并没有足够的能量驾驭时间机器。时间机器需要能量来将时间压缩成环状,在重组的时空中创造一个时空洞,而这需要来自恒星的能量。影视作品中有一个版本的时间机器运用了虫洞的能量。《爱丽丝梦游仙境》中的镜子就是虫洞。另外,如果你回到过去,杀死还没有生孩子的你的父母。也就是说,你杀死了还没有生你时你的父母,那么你又怎么会存在呢,因为你的父母在生你前就已经死了。而如果你穿越时空,解救了被刺杀的林肯,实际上,你解救的林肯将不再是未来世界中的“林肯”,而在你未来时空中的“林肯”还是死了的。如果你改变了过去的时空,你就改变了未来的平行世界。在这个平行世界中的人们和你的过去世界中的人看似一模一样,但实际上他们是不同的。If I can go back any time in past to see any event, I think I will go back in the past about 3.5 billion years ago, to witness the creation of first molecules of life. I would like to go back to the time that the earth formed, that our sun formed and see how it was, and what exactly was the process that made it possible for our sun to collect together, and force of gravity in all that space dusts and gas coming together to form a star. When people aske: Is time travel just a philosophical structure or hypothetic or mathimatically show. The answer is its a combination of them all.如果我能回到过去的任何时间点,我想我会回到35亿年前去见第一个生命分子的诞生。我想回到地球和太阳成型的时期去看看究竟,去看看到底是什么关键步骤使我们的太阳最终聚集成型,我想去见宇宙尘埃和气体因引力和重力而聚集成星体。人们可能会问:时间旅行是属于哲学范畴,数学科学,还是一种科学假设。而就是这三者的结合。注:本篇文章英文来自普特论坛,译文属原创,,。201208/196715

  Playing a Frank Sinatra classic on a conch shell helped a local bicycle tour operator take top honors in an unusual ;musical; competition.Lloyd Mager impressed judges at the 47th annual Conch Shell Blowing Contest with portions of ;Strangers in the Night,; as well as the classic Hebrew folk song ;Hava Nagilah; and ;The Alley Cat Song.;用海螺壳吹奏出兰克·辛纳屈的经典名曲帮助当地自行车旅游承包商在一次不同寻常的音乐大赛上夺冠。在第47届年度吹海螺比赛上,Lloyd Mager 以“深夜陌生人 ”这首曲子赢得了裁判的青睐。同时希伯来语民歌 ;Hava Nagilah;和;The Alley Cat Song;也分别获得奖项。;The conch shell comes with me on every single tour,; said Mager, a 35-year Key West resident. ;I love to blast it through the neighborhoods and play songs—and the people on my tour love it.;35的科维斯特居民梅杰在采访时说道:“每次演出这只海螺都陪伴在我身边,我喜欢用它吹奏歌曲,喜欢它响彻整个社区的感觉。观众也很喜欢听。”Judges evaluated contest entrants, who ranged from less than 3 years old to seniors, on the quality, novelty, duration and loudness of the sounds they produced.裁判从音质,新颖性,持久性和响度这四方面评价参赛者。这些参赛者有的不到3岁,有的也上了年纪。;To play the conch shell well, you need the lips and the cheek muscles,; said Mager, who likened it to playing a brass instrument. ;But it comes from the heart and soul.;梅杰喜欢演奏铜管乐器,他还说道:“为了吹好海螺,你需要动用嘴唇和脸颊肌肉,但声音还是来自于心灵深处。”The winning group entry was an 18-piece ;conchestra; whose members blew their shells while dancing to a parody of Jimmy Buffetts ;Volcano.;获胜的小组是18-piece ;conchestra;,该小组成员边吹奏边跳舞,恶搞吉米·巴菲特的“火山”。Conch shell blowing has been practiced in the Florida Keys for generations. Early settlers blew blasts to signal that a sinking ship had been spotted offshore, and native-born islanders are commonly called Conchs. The shell of the sea mollusk is a symbol of the island chain, also known as the Conch Republic.佛罗里达群岛上吹海螺的传统已经流传了好几代人了。早期居民吹响它是在发信号,表明近海发现一沉船,土生土长的岛民被称为海螺壳。在这儿海上软体动物的躯壳是岛上生物链的一个象征,也以海螺共和国闻名。原文译文属!201209/200229

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