It has long been known that the human skeleton constantly constructs and destroys cells, according to the stresses that its bones experience.
长久以来，人类骨骼被认为是依照其骨质经受的压力来不断构建和消灭细胞。
The existence of competition has been long known to naturalists; its effects were described by Darwin in considerable detail.
自然学家早就知道竞争的存在；达尔文对它的影响做了相当详细的描述。
The problem is that trigger-happy intervention also has its drawbacks. It has long been accepted that retail depositors should be protected, to maintain their faith in the financial system.
问题在于随意的干预总体现出障碍性，长久以来人们一直以为出于稳定小额储户对金融系统信心的考虑，他们应该受到保护。
The country has also long been immensely proud of its bureaucrats-they, too, date back to the samurai who sheathed their swords and became pen pushers from the 1600s onwards.
同样，该国长期以来对其官僚深为自豪——而这些官僚同样可回溯至17世纪以来弃武从文的武士们。
The school is an example of how Mexico has been using parents to help improve its education-long overdue in a country where high spending has failed to produce results to match.
这所学校就是一个例子，说明了墨西哥是如何利用家长来帮助改善其教育，在这个高额投入并没有产生相应结果的国家教育长期落后。
Switzerland has long been a centre for hedge funds thanks to its private Banks and rich individuals.
归功于瑞士的私有银行和富有个体，这里是对冲基金的一个集中地。
Some of the reasons are natural; California has been in one of its periodic droughts since 2006, and climate change is a long-term threat to the state's mountain snowpacks.
其中有自然原因：2006年以来，加州一直处于一个周期性干旱中，而气候变化是对州内山区积雪的长期威胁。
The process for creating 'professional' librarians has long been criticized for its lack of relevance to real life library work.
“专业的”图书馆员的培养过程长期以来因为与图书馆的现实工作脱节而受到诟病。
For a planet to be truly Earthlike, how long it has been around might be one of its most important features.
对于一个真正的类地行星来说，它存在了多久也许是最关键的特征之一。
While Poland has long been dependent on its home-mined lignite, Germany is expanding its coal-fired stations to produce electricity in anticipation of a rundown in its nuclear facilities.
波兰长久以来一直依赖于本土的褐煤开采，而德国则由于预期其核发电能力的削减，准备扩大其燃煤发电能力。
Declining mobility has in fact long been a feature of the post-war American economy, thanks to the ageing of its workforce and rising rates of home ownership.
实际上，人口流动性变差早已经成为战后美国经济的一个特征。造成这一现象的原因是劳动力衰老以及房价上涨。
With its ability to boost "feel-good" endorphin levels, chocolate has long been used as a mood-lifter.
凭借其提高“感觉良好”内啡呔浓度的能力，巧克力一直被用来提高情绪。
Static SQL against a DB2 database has long been recognized for its ability to improve performance, stability, and security, but has historically required specialized coding to utilize it.
在DB 2数据库中使用静态SQL早已被公认为可以提高性能、稳定性和安全性，但是在过去需要专门化的编程才能利用它。
It is wrong to play down the costs of globalization, but the reality is that we've been playing down its benefits for a long time.
抑制全球化是错误的，但事实却是长期以来我们从全球化中所获得的收益一直在减少。
HP has long been saying it will use software to differentiate its products. Now it actually can.
惠普一直在强调它要用软件来突出他的产品，现在他确实做到了。
While Kibera has long been an obligatory stop for foreign dignitaries and film crews shooting movies such as The Constant Gardener, its addition to the tourist circuit has stirred debate.
尽管长期以来，基贝亚对于外国显要和拍摄《不朽的园丁》这类电影的电影业人员来说都是必经之地，但旅游圈也加入这一行列却引发了争议。
Neither enclave has properly consulted its people, including huge Numbers of Georgian refugees. Nor has there been a long, hard effort to find a negotiated settlement.
这两个飞地既不参考民意，包括大量格鲁吉亚难民，也不愿付出长期艰苦的努力寻找协商解决方案。
NASA and its ilk have, after all, long been looking into what happens to people who, like astronauts, are enclosed in a confined space for prolonged periods of time.
NASA及其相关机构毕竟长时间地调查像宇航员之类的被长期困在一个封闭空间的人们。
During sleep, the brain may recharge its energy stores and shift the day's information that has been stored in temporary memory to regions of the brain associated with long-term memory.
在睡眠过程中，大脑补充精里，并将白天临时储存的信息转移到大脑相关的长期记忆储存区。
Why is it taking so long to shut off the flow of oil? What methods have been tried to stop the oil flow at its source?
为什么需要花这么多的时间才能止住漏油？在这个过程中，我们都尝试了那些方法？
I had so long viewed the world with external vision only, and so had been unable to see its universal aspect of joy.
我很长时间只从外在的幻象来观察世界，因此我看不到快乐的全部。
It's also the first time the powers of a photon, which is good at traveling over long distances, and an atom, which is prized for its ability to retain information, have been jointly exploited.
这也是头一次光子—它善于长距离传播，和原子-它保存信息的能力有口皆碑，被联合利用了起来。
This has long been understood to enjoy a symbiotic relationship with the spotted salamander, which lays its eggs in bodies of water.
但是它们的共生关系一直是被认为发生在蝾螈胚胎细胞之外的。
A big reason Italy has been able to live "La Dolce Vita" for as long as it has over the years has been its ability to sell debt - lots of it.
多年来意大利之所以能过上“好日子”，一个很大的原因就是不断地卖债券——而且是海量债券。
Indonesia's logging of its rainforests has long been identified as a big contributor to the world's emissions of greenhouse gases (GHGs), and hence to global warming.
长时间以来，印尼砍伐雨林就被视为是温室气体排放、甚而全球变暖的主要黑手。
Indonesia's logging of its rainforests has long been identified as a big contributor to the world's emissions of greenhouse gases (GHGs), and hence to global warming.
长时间以来，印尼砍伐雨林就被视为是温室气体排放、甚而全球变暖的主要黑手。
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