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江苏昆山盆腔炎多少钱昆山无精症的治疗费用是多少昆山割一次包皮需要多少钱 Okay, so theres an asteroid heading toward the Earth. Whatdo we do?我们来假设,有颗小行星要撞地球啦,我们怎么办呢?Does our future really rest in the hands of Hollywood, Bruce Willis and a ragtag team ofminers like in the movie Armageddon?难道真要想好莱坞电影《世界末日》里演的似的,把未来交到布鲁斯·威利斯和他那帮乌合之众手里?Sure, we could wait until danger is imminent and then hope that a well placed nuclear explosionwould shatter or deflect the monster asteroid threatening humanity, but is this our only option?我们当然也能听任危机发展下去,在最后关头期待一枚核弹把带有毁灭威力的小行星击碎或者打偏。不过这难道是人类的唯一选择?The answer is that it depends on how big the asteroid is, how far away it is, and How much timewe have before impact?这个嘛,要看这颗小行星有多大,离地球有多远,我们有多少危机应对时间啦。Because theres lots of space debris out there, odds are that the threatening object wont be oneof the giant Earth-destroying asteroids that NASA is aly tracking, but a smaller meteoroid capable of causing regional devastation.足以毁灭地球的小行星早已上了NASA的定位追踪名单。但宇宙里到处是太空垃圾,很可能没等那些小行星威胁到地球,一些更小的流星就已足以造成地域性灾难了。With enough warning, though, we could crash a robotic spacecraft into the object and change its trajectory so that itll sail by Earth.不过,有了充足的预警,我们可以发射一些无人太空飞行器,把这些小天体撞离原定轨道。We know we have the technology for this, because NASA has aly successfully rammed a spacecraft into a comet to study the comets composition.这种技术早就有了,NASA就曾把一架飞行器撞向颗彗星,用以研究彗星的成分。There are also rare instances when space objects pass close by several years before returning on a collision course with Earth.也有一种很少见的情况:一些天体早先只是擦过近地轨道,数年后飞回来时,却可能撞上地球。Here even a tiny change in trajectory during the first pass would resultin big payoff later.天体轨道极细微的变化都可能导致今后的大灾难。In these cases, we could use a spacecrafts mass and gravitational field to nudge the space object off course without shattering it and creating potentially dangerous fragments.这种情况下,利用太空飞行器的质量和重力场,能将致命天体引偏些。用不着击碎它,这样也就不会产生可能威胁到地球安全的一堆碎片了。Obviously, early warning is key, which is why NASA has issued a grand challenge to scientists invarious disciplines, institutions and agencies to work together to uncover ways of detecting,characterizing and interacting with asteroids.显然,早期预警是关键。这也是为什么NASA给学界和各大相关机构出了个大挑战,让大家联合起来,预先测算分析和处理各种小行星的运行情况。Because when it comes to the future of the Earth,Bruce Willis can only do so much.因为一旦真的等到灾难临头,布鲁斯·威利斯可救不了人类。 /201404/287830Okay, so theres an asteroid heading toward the Earth. Whatdo we do?我们来假设,有颗小行星要撞地球啦,我们怎么办呢?Does our future really rest in the hands of Hollywood, Bruce Willis and a ragtag team ofminers like in the movie Armageddon?难道真要想好莱坞电影《世界末日》里演的似的,把未来交到布鲁斯·威利斯和他那帮乌合之众手里?Sure, we could wait until danger is imminent and then hope that a well placed nuclear explosionwould shatter or deflect the monster asteroid threatening humanity, but is this our only option?我们当然也能听任危机发展下去,在最后关头期待一枚核弹把带有毁灭威力的小行星击碎或者打偏。不过这难道是人类的唯一选择?The answer is that it depends on how big the asteroid is, how far away it is, and How much timewe have before impact?这个嘛,要看这颗小行星有多大,离地球有多远,我们有多少危机应对时间啦。Because theres lots of space debris out there, odds are that the threatening object wont be oneof the giant Earth-destroying asteroids that NASA is aly tracking, but a smaller meteoroid capable of causing regional devastation.足以毁灭地球的小行星早已上了NASA的定位追踪名单。但宇宙里到处是太空垃圾,很可能没等那些小行星威胁到地球,一些更小的流星就已足以造成地域性灾难了。With enough warning, though, we could crash a robotic spacecraft into the object and change its trajectory so that itll sail by Earth.不过,有了充足的预警,我们可以发射一些无人太空飞行器,把这些小天体撞离原定轨道。We know we have the technology for this, because NASA has aly successfully rammed a spacecraft into a comet to study the comets composition.这种技术早就有了,NASA就曾把一架飞行器撞向颗彗星,用以研究彗星的成分。There are also rare instances when space objects pass close by several years before returning on a collision course with Earth.也有一种很少见的情况:一些天体早先只是擦过近地轨道,数年后飞回来时,却可能撞上地球。Here even a tiny change in trajectory during the first pass would resultin big payoff later.天体轨道极细微的变化都可能导致今后的大灾难。In these cases, we could use a spacecrafts mass and gravitational field to nudge the space object off course without shattering it and creating potentially dangerous fragments.这种情况下,利用太空飞行器的质量和重力场,能将致命天体引偏些。用不着击碎它,这样也就不会产生可能威胁到地球安全的一堆碎片了。Obviously, early warning is key, which is why NASA has issued a grand challenge to scientists invarious disciplines, institutions and agencies to work together to uncover ways of detecting,characterizing and interacting with asteroids.显然,早期预警是关键。这也是为什么NASA给学界和各大相关机构出了个大挑战,让大家联合起来,预先测算分析和处理各种小行星的运行情况。Because when it comes to the future of the Earth,Bruce Willis can only do so much.因为一旦真的等到灾难临头,布鲁斯·威利斯可救不了人类。 /201404/287830周市千灯陆家镇检查妇科病哪家医院最好的

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昆山做人流哪个医院比较好By piecing together the evidence these creatures left behind, we can build a picture of this sub-tropical corner of the continent as it was 13,000 years ago. While most of North America was still in the grip of the Big Freeze, Florida was an ice age oasis. Florida is aptly named the Sunshine State. With an average of eight hours of sun a day, it seems a world away from any ice age. Even 13,000 years ago, the massive ice sheets were hundreds of miles away to the north. So what was it like back then? 将这些动物遗留的痕迹拼凑到一起,我们可以探索到13,000年前这个位于亚热带大陆角落的区域的面貌。北美洲的大半部分都属于“大冻结”区域,而弗罗里达却是冰河时代的绿洲。称佛罗里达为阳光州再适合不过了。日照日均长达8小时,这似乎与冰河时代格格不入。即使在13,000年前,大面积的冰原距离它也有上百英里。那么它当时又是什么样子呢?To investigate Floridas ice age past, one of the best places to look is under ground and up the water. Just below the surface lies a very strange world. Millions of years of water action has dissolved the limestone rock, forming a system of flooded caves and tunnels. This vast underground network runs for thousands of miles. Much of Florida is basically a big rock honeycomb. In places the water is forced to the surface, forming springs. Florida has one of the largest concentrations of springs in the world. Filtered through sand and rock, the water is crystal-clear. And welling up from deep within the earth, it is a constant 22 degrees centigrade.想要了解弗罗里达冰河时代的过去,最好的去处之一便是“地下”和“水上”之间的空间。在地表下面便存在着一个奇异的世界。数百万年的水流运动溶解了石灰岩,形成了积水溶洞和隧道。这一片地下网络延绵数千英里。弗罗里达的大部分地区基本上就是像蜂巢一样的岩石区域。部分区域的地下水被挤到地表,形成了喷泉。弗罗里达是世界上喷泉最密集的区域之一。从沙土和岩石中流淌的泉水晶莹剔透。这些泉水地底喷出,恒温达22摄氏度。英文文本来自普特英语,译文属.201307/248382 Business商业报道Formula One一级方程式赛车Flagged down落马Can Formula One succeed without Bernie Ecclestone?没有了伯尼·埃克莱斯顿,F1能否继续传奇Last lap for Ecclestone?埃克莱斯顿能跑的最后一圈?BERNIE ECCLESTONE, the boss of the Formula One Group, rarely sticks around for the finish of a Grand Prix.F1的掌门人伯尼·埃克莱斯顿很少会在国际汽车大奖赛结束后逗留。This is meant to show what a serious businessman he is.这意在显示他是一个谨慎的商人。Still, eyebrows lifted when he didnt turn up at all to last weekends race at Hockenheim in Germany.然而公众的对他上周一直没有出现在德国霍根海姆大奖赛一事依旧表示惊讶。An ongoing court case in Germany over a payment of 44m from Mr Ecclestone to a banker who was involved in the sale of Formula One to CVC Capital, a private-equity firm, in 2005 has put his future at the top of the sport in doubt.在2005年,参与CVC资产合作伙伴公司收购F1股份的高管承认收到了埃克莱斯顿4千4百万好处费,这件正在审理的案子让伯尼在此项运动上掌门地位受到质疑。German media reported that, had Mr Ecclestone gone to Germany, he might have run into trouble.德国媒体报道称,如果埃克莱斯顿去了德国,他将陷入困境。For CVC Capital, the uncertainty over Mr Ecclestone, who is 81, is becoming a problem.对于CVC资产合作伙伴公司来说,81岁埃克莱斯顿的不可靠将成为最大的问题。CVC took a huge risk in buying into the sport, at a time when several teams were threatening to break away and form a new outfit, in the hope of extracting a larger share of profits.CVC为收购F1管理公司承担了巨大的风险,因为为在当时有数车队为了争取更大的利润分成,威胁退出F1另组建新赛事。The breakaway never happened and CVC profited handsomely.车队退赛没有发生,CVC也赚得漂亮的一手。CVC had hoped to reduce its stake with an initial public offering of Formula One on the Singapore stock exchange.CVC本打算通过在新加坡券交易所为F1首次公开募股的方式减持股份。However, in May it sold a total of 21% of the sport, for 1.6 billion, to three institutional investors:但是在五月,CVC将16亿美元即总资产的21%卖给了三个团体投资人:Waddell amp; Reid and BlackRock, both American asset managers, and Norges Bank Investment Management, Norways state money manager.同为资产管理者的Waddell amp; Reid和黑石,还有挪威投资管理——挪威的国家资金管理者。Combined with cash from the business, the sale gave CVC a tasty 300% return on its original investment—though an IPO could have earned it more.尽管公开募股会赚的更多,结合从营销中获得的现金,出售给团体投资人还是带给了CVC为原有投资300%的高额回报。In June CVC postponed the proposed IPO, blaming market conditions.在6月,CVC归咎于市场行情,推迟了原有计划的公开募股。Private-equity firms do not often have to deal with chaps like Mr Ecclestone, who has dominated the sport for decades.私募股权公司不需要经常与像埃克莱斯顿这样献身于F1数十载的老伙计进行交易。In CVC had to join an apology made by Mr Ecclestone for seeming to praise Adolf Hitler.在年CVC不得不参与到埃克莱斯顿关于自己表扬希特勒的言论的道歉中。Also that year Sir Martin Sorrell, the boss of WPP, an advertising giant,在同一年中,WPP,这个广告业巨头的总裁,F1董事会成员之一苏铭天爵士,who sits on the Formula One Groups board, protested when Mr Ecclestone complained that a life ban from Formula One given to Flavio Briatore, Renaults team chief, for ordering a driver to crash, was excessive.对埃克莱斯顿的抱怨表示反对,因为埃克莱斯顿认为认为对于雷诺车队队长弗拉维奥·布里亚托利操纵车手故意撞车被终生禁止参与F1任何赛车事务的处置太过分了。Now CVC is waiting to see whether Mr Ecclestone will be charged in connection with the case involving the German banker, Gerhard Gribkowsky.现在CVC正在作壁上观,看埃克莱斯顿是否因与德国家Gerhard Gribkowsky 受贿案关联而被控诉。On June 27th Mr Gribkowsky was found guilty in Munich of receiving corrupt payments, and given a prison sentence, which he is now appealing.7月27日,Gribkowsky被查出于慕尼黑受贿,已被判入狱,但他现在正在申诉。According to people close to the sport, if the German authorities charge Mr Ecclestone with a non-trivial offence in relation to the payment to Mr Gribkowsky,根据体育圈的人说,如果德国当局对埃克莱斯顿给Gerhard Gribkowsky行贿一事判他严重犯罪,就算他声称自己是被勒索,he will be permanently removed as chief executive of Formula One Group.他也将永久被剥夺F1首席执行官的职位。CVCs managing partner, Donald Mackenzie, is said to be worried about how his possible departure might affect the business.CVC的合伙人之一麦肯齐,据说他很担心埃克莱斯顿可能的离开对商业带来的影响。The Formula One Group depends on reaching agreement with a dozen racing teams and the Fédération Internationale de lAutomobile, which regulates racing.F1的正常运转离不开12参赛车队的合作以及负责管理赛车项目的国际汽车联合会的持。In the past Mr Ecclestone has handled the teams brilliantly, using divide-and-rule tactics to prevent any serious rebellion and to keep a large share of revenues for his firm.在过去的日子里,埃克莱斯顿运筹帷幄,运用分而治之的策略杜绝任何违规行为并为自己的公司保持巨大的收益。He maintains close relations with circuit owners and governments, which together make up the sports largest source of revenue, in the form of hosting fees.赛道所有者和政府以主办的形式为整个赛事的收益投入巨资,埃克莱斯顿则与这些人保持着紧密的联系。It is not obvious who inside the business could succeed him; Mr Ecclestone reportedly jokes that a number two could send faxes and bring coffee, but nothing else.目前在赛车圈内尚未发现合适继任者;埃克莱斯顿据报道有过这样的玩笑话:二把手可以发传真可以买咖啡,但是除了这些也没什么别的能耐了。Bernies blinkers伯尼的马失前蹄Mr Ecclestone is a skilled dealmaker;埃克莱斯顿是个经验丰富的交易商,but he has missed out on two areas of opportunity for the sport.但他在这项运动的两个方面错失良机。The first of these is the internet. Formula One has barely begun to develop its business online.第一个是网络;F1基本没有开发其商业网络,Licensing Formula One brands and content to -games firms could generate pots of money, as could online betting.向公司出售F1品牌商标和赛事相关内容的使用权可以带来大量的金钱收入,媲美网上。Second, Formula One has failed to establish itself in America, despite corporate sponsors need for exposure in the worlds biggest market.第二则是尽管赞助商需要在这个世界最大的市场中露面,F1还是没有进军美国。Partly because of the steep fees that Mr Ecclestone charges to host a Grand Prix, circuits often end up losing money and stop hosting the event;一部分是由于埃克莱斯顿所需举办大奖赛的经费逐年攀升,赛道所有者往往赔本最终停止举办比赛there has been no American race for the past five years.美国已经在过去的五年没有举办了。That will soon change, with Austin, Texas, hosting a race in November and plans for a Grand Prix in New Jersey in June 2013.这即将发生改变,德州的奥斯汀市将在11月举办比赛并计划将于2013年6月在新泽西举办大奖赛。Red Bull, a team owned by an Austrian energy-drinks firm, is said to be looking at launching a new Stars and Stripes Formula One team with American drivers.由澳大利亚功能饮料公司所有的车队红牛,据说将成为一个由美籍车手参与的新星条旗车队,Local drivers boost audiences.本地的车手则会增加观众的数量。Although losing Mr Ecclestone may not be as big a car crash as some fear, there are other risks for the company that sits atop the sport.尽管失去了埃克莱斯顿可能不会像撞车那么让人害怕,然而其他的风险对于该公司来说则比比赛本身更重要。The biggest is that the teams will demand more money.最大的问题就是车队会索取更多的利润分成。Without them, after all, there is no show, and they are the sports biggest cost.毕竟没有这些车队,那就没有比赛可言,但他们是整个赛事中花费最大的。Over time, the racers have claimed an ever larger slice of the cake.随着时间的推移,参赛者要求分到的蛋糕越来越大块。In 2003 the teams collectively commanded an estimated 27% of the profits that Formula One derived from its three main businesses.2003年,车队总共要求的经费大约占F1从三大主要商业项目收益的27%。In a new deal that lasts until 2020, now signed by nearly all of the teams, they will get 63%.在一项持续至2020年,现在所有车队几乎都签署了的新交易中,他们将分到收益的63%。And some people wonder if Formula One can carry on charging governments so much to host races.有些人怀疑F1还能否继续像现在这样向政府收取大量承办费用。By expanding outside traditional markets in Europe, Formula One has been able to keep raising its fees;通过跳出欧洲传统市场进行扩张,F1已经可以持续不断地募集经费;non-European governments such as Singapores or Indias pay two-fifths more on average to host Grands Prix than traditional markets.非欧洲国家政府例如新加坡和印度,相比传统市场平均付了举办大奖赛费用的五分之二。For now, demand from governments comfortably exceeds the number of racing slots available. Mr Ecclestone has no shortage of calls from countries such as C te dIvoire and Bulgaria seeking the prestige of hosting a race.目前,政府的需求远大于已有可用于比赛的赛道数量。埃克莱斯顿呼吁像科特迪瓦和保加利亚这样,试图通过举办比赛增加威望的国家毫无压力。Soon, however, they may be calling someone else.不过不久之后,这些国家可能要联系其他人了。 /201308/251080昆山市中医院专家挂号昆山男性包茎手术多少钱

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