If the Nairobi summit is successful, the Copenhagen talks will mark the first time Africa will be entering the global climate change negotiations under a common position.

VOA: standard.2009.10.13

Consider the position of the Israelites in the sixth century, the time of the final editing of the Deuteronomistic history.

想一下以色列在六世纪时的位置，也就是可考证的申命记历史最后编成的时间。

耶鲁公开课 - 旧约导论课程节选

But luckily for us, there's a classical equation of motion that will, in fact, describe how the electron and nucleus change position or change their radius as a function of time.

但幸运的是，有一个,经典方程描述了电子和核子,位置或者它们直接的距离是,如何随时间变化的。

麻省理工公开课 - 化学原理课程节选

So he offers a series of arguments for that conclusion, for that position, and starting next time, we'll work our way through those arguments.

因而他给出一系列论证,来证明这个结论,证明这个立场,下节课开始,我们将讨论这些论证

耶鲁公开课 - 死亡课程节选

The rate and pace of change in the industry is such that it's always kind of a jump ball environment where companies are not able to hang on to a great position for a super long time.

这一行变化的速度,就是这样,总处于一种跳球环境中,公司不能,永远处于不败之地。

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Consequently, for this object the position y, at any time t is known to be 15+10t-5t^.

因此,对这个物体来说,在任意时刻的位移y,就应该为15+10t-5t^

耶鲁公开课 - 基础物理课程节选

I think you can tell by analogy with what I did in one dimension that the position of that object at any time t is going to be the initial position plus velocity times t plus one half a t square.

你们可以类比一下我在一维情况下的结论,这个物体在任意时刻 t 的位移,等于初始位移,加上 v ? t + 1/2 ? a ? t^2

耶鲁公开课 - 基础物理课程节选