是什么导致了早期美国例如电报、蒸汽船和织布机的重大发明的大量涌现？
What accounts for the great outburst of major inventions in early America—breakthroughs such as the telegraph, the steamboat and the weaving machine?
地球历史上的这次重大灾难以物种的大量消亡为标志；当时，地球上多达一半的物种都灭绝了。
This break in Earth's history is marked by a mass extinction, when as many as half the species on the planet became extinct.
该地区的农民们注意到了沼泽地生产力的重大下降，以及随之而来的干旱使得大量动物种群迁出。
Farmers in the area have seen a significant decline in the marsh's productivity as successive droughts have driven away many animal populations.
几乎所有重大的开发工作都包含大量的文件，这些文件包含的代码需要在开发下构造该系统。
Almost all significant development efforts have a large number of files that contain the code needed to build the system under development.
但是战争的出现使我既不能有闲暇充分地对待这样重大的题目，也没有机会查阅大量的书籍和文献来验证我的印象。
The war - has deprived me both of leisure to treat adequately so great a theme and of opportunity to consult my library and my papers and to verify my impressions.
这场意料之外的失败使得大量的报道——包括我的报道——认为这是他在国际舞台的重大失误。
Once he lost, the dramatic defeat led many -- including me -- to report that this was obviously a blow on the international stage.
有了大量的数据，再加上运用大量不同的统计学检验方法，那么根据所使用的统计学方法的概率特性，你很容易就能发现一个重大结果。
With enough data, and by running enough statistical tests, it is easy enough to find a significant effect, given the probabilistic nature of the statistical methods used.
巴菲特写到：这些错误中最重大的就是，在去年石油和能源储备急剧上涨时，买进了大量康菲石油公司(COP)的股票。
The biggest of those mistakes, Buffett wrote: buying a huge stake in ConocoPhillips (COP) last year while oil prices and energy stocks were surging.
定义良好的重大事件，需要正规的检查和大量格式正确以及准备充分的文件来支持检查。
Well-defined milestones require formal reviews and a tremendous amount of exactly formatted and prepared documentation supporting the reviews.
为了保持健康的精神状态，你要把做决定的劲头儿留着用在那些值得你花费大量时间与精力的重大事情上。
To preserve mental wellbeing, save your decision-making effort for serious things that merit a large expenditure of time and effort.
他们已经在这个最大的舞台待了很长时间，之前他们已经打了大量的重大决赛。
They have been on the biggest stage for a long time, and they've played a lot of big finals before.
因此，在一些大量的重大活动等领域里，尤其是可再生能源，交通和城市规划还没有找到很好的替代。
As a result, some fields with a great deal of significant activity-particularly renewable energy, transportation, and urban planning-are not well represented.
近几年来，俄罗斯远东市场发生了重大变化，消费品供应形势明显好转，但是市场的繁荣在很大程度上是靠大量进口消费品带动的。
In recent years market of Russian Far East has changed, the supply situation of consumption goods has evidently improved, but to a greater extent the market flourishing is reflected by import goods.
反恐中心正努力做着以前做不到的事情，即从大量往往是无关紧要的数据中拣出少量令人费解的信息，然后把这些信息联系起来，以挫败某场重大的新攻击。
The center is trying to do what it could not do before:pluck obscure bits of information from the flood of often irrelevant or insignificant data and connect the dots to foil a major new attack.
在2001—2002年期间，大量的重大会计丑闻曝光，这些问题暴露了公司治理、审计实务和财务报告中的薄弱环节。
From 2001 to 2002, a spate of major corporate accounting scandals came to light that exposed weaknesses in corporate governance, audit practices, and financial reporting.
由于脊髓损伤的重大影响，针对损伤后促进神经轴突的再生进行了大量的研究。
Owing to the profound impact of spinal cord injury, extensive studies have been carried out aimed at facilitating axonal regeneration following injury.
在国际关系中，体育是一个最为活跃的因素，其对国际关系的重大影响，已为大量的客观事实所证明。
A lot of objective facts prove that sports, as the most active factor, has had great influence upon the international relations.
碳二加氢反应器的切换是乙烯装置运行过程中的重大操作工序，而离线切换会造成乙烯产品的大量损失。
During the operation of ethylene plant, off - line switch of acetylene converter will lead to great loss in ethylene production.
步入领导岗位对你个人来说固然是一个重大的飞跃，但它也需要你的员工的大量配合。
While taking on a new leadership role is a big step for you, it requires a lot from your people, too.
在十年多的时间里，我们已对大量未知的生态系统造成了重大的破坏，使许多物种枯竭，还可能使许多物种遭受灭绝的厄运。
In the course of a decade or more, we have caused significant damage to largely unknown ecosystems, depleted species and probably doomed many others to extinction.
双方都认为这桩案件意义极为重大。商业集团说，对女性的裁定会导致大量缺乏证据的共同起诉。
The business community has said that a ruling for the women would lead to a flood of class-action lawsuits based on vague evidence.
鉴于重键化合物的重大作用，有机合成工作者对此类化合物的合成已做了大量的工作，各种合成方法不断涌现出来。
In view of these great role, organic synthesis workers have done a lot of work on the field of Carbon-Carbon multiple-bond compounds. All kinds of synthetic methods continuously appear.
高毒性、难降解的传统杀生剂的长期、大量使用对环境造成了严重的危害，因此开发、使用低毒性、环境友好型绿色杀生剂具有重大的意义。
Frequently use of conditional biocides cause environmental harm for their high toxicity and hard to biodegradability. So it is important to use green biocides.
但是，随着计算机和网络的大量应用及带来方便的同时，网络本身的安全也面临着重大的挑战。
However, with the application of computer and network at the same time, bring convenience and safety of network itself is also facing great challenges.
但是，随着计算机和网络的大量应用及带来方便的同时，网络本身的安全也面临着重大的挑战。
However, with the application of computer and network at the same time, bring convenience and safety of network itself is also facing great challenges.
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