我已经很久没教过这门课了，所以我怀疑你在大学阶段可能没有学过关于那个时期的内容。
And I haven't offered it in quite a while now, so I doubt you ever studied that period on the college level.
在美国，交通运输业生产率大幅提高的时期可能即将结束，但在大多数国家，这一阶段仍有很长的路要走。
In America, the period of huge productivity gains in transportation may be almost over, but in most countries the process still has far to go.
研究主要表明，人在40多岁或50多岁时可能会有个停滞时期，或转变阶段，但是这种转变“会让人感到兴奋而非恐惧”。
The bulk of the research shows that there may be a pause, or a shifting of gears in the 40s or 50s, but this shift "can be exciting, rather than terrifying".
现在的研究表明，在最后一次冰河时期的尾声阶段，阿拉斯加东南部沿岸的内大陆架的相当大的区域并未被冰覆盖。
Research now indicates that sizable areas of southeastern Alaska along the inner continental shelf were not covered by ice toward the end of the last Ice Age.
基线通常是在重要的阶段或者结构开发的关键时期创建的。
A baseline is usually created at a significant phase or milestone of architecture development.
图9：持续地全球化加强和质量改善应该发生在开发生命周期尽可能早地时期，最理想的状态是在需求收集阶段。
Figure 9: Continuous globalization enhancement and quality improvement should be addressed as early as possible in the development lifecycle, ideally during the requirements gathering phase.
在你的精神生活中也有不同的季节。有时，在经历了一个平稳的尝试的阶段（秋季和冬季）后，你会拥有一个短暂的、激烈猛涨的时期（春季）。
There are seasons in your spiritual life, too. Sometimes you will have a short, intense burst of growth (springtime) followed by a period of stabilizing and testing (fall and winter).
从出生到7岁是学习一门外语的最佳时期，你是否错过这一阶段？
WASHINGTON – The best time to learn a foreign language: Between birth and age 7. Missed that window?
这是以大多超大质量黑洞形成过程与恒星质量的黑洞的形成过程类似的假设为基础的。 这种黑洞的形成通常在大质量恒星的生命过程的最终阶段（用尽了用于核聚变的所有燃料的时期）。
This was based on the assumption that SMBHs form in a similar way to stellar-mass black holes, marking the final phase in the lifespan of massive stars that have exhausted all their fuel for fusion.
童年期向青春期的转变阶段是发育的关键时期，生理、认知及社交等方面随之发生许多变化。
The transition into puberty is a critical developmental period, associated with many biological, cognitive and social changes.
在这些混合的和奇特的研究中——一只脚在中世纪，一只脚为现代科学踩出一条路——牛顿度过了他人生的第一阶段，在三一学院的生活时期，这时的他做了所有他真正有价值的工作。
foot in the Middle Ages and one foot treading a path for modern science, Newton spent the first phase of his life, the period of life in Trinity when he did all his real work.
当使用 MQe_Script 时，别名可以在创建时期添加，如果远程队列定义已经存在，别名也可以在后面的阶段中进行更新。
When using MQe_Script, the alias can be added at the time of creation or as an update in a later stage if the remote queue definition already exists.
如果这个属性设置为true，那么转换和验证会发生在生命周期更早的时期，即应用请求值阶段(参见图3)。
Were the attribute set to true, conversion and validation would occur earlier in the lifecycle, during the apply request values phase (see Figure 3).
该项目的最重要的阶段将在2012年至2010年南极的夏天，那时Ells worth湖首份冰河时期的数据报告将完成。
The climactic stage in the project will take place in the 2012-13 Antarctic summer, when the lake Ellsworth Consortium will use the data in this paper to access a sub-glacial lake for the first time.
因此我发现，在生命的每一个阶段，一个特定的时期具有特别的重要性。
So have I found that in each period of life a particular season assumes a special importance.
但是在硅谷工作的许多人都说他们为乔布斯的回归感到异常兴奋。这说明至少在现阶段，他已经度过了他健康状况最困难的时期。
But many in Silicon Valley said they were elated by his return to work, which appears to signal that the worst of his health problems have abated, at least for now.
如果他们是对的，当然，2010年将成为更长久的危险天气频繁时期的初级阶段。
If they are right, of course, 2010 could mark the early stages of a longer trend of more frequent dangerous weather.
只有在宇宙的开始阶段,也就是在大爆炸时期, 才存在那种极端环境使得两种相互作用有差不多可比拟的强度.
Only at the beginning of the universe, in the Big Bang, was there an environment where the forces must have been comparable in strength.
她认为，幼童时期中存在一个关键阶段，在这一阶段缺乏睡眠对孩子的成长尤为不利，即使他们今后的睡眠习惯有所改善也无法补救。
She thinks there's a critical period in early childhood when the lack of sleep is particularly detrimental to development, even if sleep habits improve later on.
我的作品有时被分为四个时期，最近的一个时期(阶段4)以SES以及之后的六七本书为界分。
My work is sometimes divided into four phases, with the latest (phase-4) being dated with ses and six or seven subsequent books.
丰田的销量在那段时期迅速地增长，被看作进入到了一个新的阶段、一个丰收时期。
Toyota was rapidly gaining sales in that period as it entered new segments, such as large pickups.
然而这些卫星到一定时期需要更换。而美国现阶段使用的卫星正逐渐进入寿命的尾声。
Such satellites, however, need replacing from time to time, and those used by the Americans are coming to the end of their useful lives.
这种组合允许你在单元测试时期使用开发阶段服务提供程序开发服务请求程序，然后在集成测试阶段使用不同的服务提供程序。
The combination allows you to develop a service requestor using development-time service providers during unit test, then integration test it using different service providers.
实际上，多数的开发团队使用了改进的瀑布型开发方法，他们将项目分解成为两个或者更多的部分，有时这些部分被称为阶段或者是时期。
In practice, most teams use a modified waterfall approach, breaking the project down into two or more parts, sometimes called phases or stages.
对话框实际上显示了元素的时期，这些元素提供了潜在性冲突可能发生的地方的反馈，以在设计阶段的早期时间内就将其校正过来。
The dialog visually shows the period of the elements providing feedback where potential conflicts might occur to correct them early in the design phase.
对话框实际上显示了元素的时期，这些元素提供了潜在性冲突可能发生的地方的反馈，以在设计阶段的早期时间内就将其校正过来。
The dialog visually shows the period of the elements providing feedback where potential conflicts might occur to correct them early in the design phase.
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