So, it's Newtonian mechanics, and the reason for this is because Newtonian mechanics does not work on this very, very small size scale.

牛顿力学，因为牛顿力学,在这种很小的尺度下不适用,我们说过，牛顿力学。

麻省理工公开课 - 化学原理课程节选

It's 71 or whatever so that if condition doesn't apply, but now what do I do in this next line?

它似乎71或者其它的，如果条件不适用，在下一行我做了什么？

哈佛公开课 - 计算机科学课程节选

Because the servant had not been willing to spend the only talent that he had been given, the master instructs him to give his one and only talent to the man who now has ten.

因为这个仆人不愿意适用他获得的唯一,的金币，主人命令他把这个,唯一的金币给了那个已经有十个金币的人。

耶鲁公开课 - 弥尔顿课程节选

I can't explain this because classical physics doesn't work at atomic dimensions.

我不能解释这个,因为经典物理在不适用,就原子尺度而言。

麻省理工公开课 - 固态化学导论课程节选

So you cannot use the formula once it hits the ground because once it hits the ground, the fundamental premise that a was a constant of -9.8 or -10 is wrong.

当物体落地以后,该公式就不适用了,因为当物体落地后,公式的基本前提——,加速度为常数-9.8或-10——就不成立了

耶鲁公开课 - 基础物理课程节选

And you could build barricades across smaller streets, but not across big boulevards, and that was part of the rebuilding of Paris in the 1850s and '60s, more about that in a minute and much more about that later, because it's fascinating; at least, I think it's fascinating.

但街垒只适用于小巷,对于大路就不那么适用了,修街垒也算是巴黎十九世纪五六十年代重建的一部分,这个问题我们以后再谈,因为它引人入胜,至少我觉得如此

耶鲁公开课 - 1871年后的法国课程节选