我们每个人都震惊于这个题目甚至是那些发帖的人从个人角度、以及从其他讨论帖提出来的。
We were appalled personally that this topic was even broached by the individuals that started the thread, and other threads.
通常,数学家们都觉得这种题目有内在的复杂性,也就是说没有什么聪明的方式能找到解决方法。
The general feeling among mathematicians is that problems of this sort have an inbuilt complexity, which means that there won't be any clever way of finding the solution.
我们这些受过教诲的俄国阶级都偏幸那些还没有谜底的题目。
We Russians of the educated class have a partiality for these questions that remain unanswered.
putting all those things together, if you looked at this question again we'd get 100% on it, 0 9 that our only option here is 0. 9, and that it's not the negative, it's the positive version, because we're talking about how much energy we have to put into the system in order to eject an electron.
把这些放在一起,你们再看一下题目,大家100%都能选对,我们唯一的选择就是这个,它不是负数,它是正的,因为我们说的,是要,把电子激发出来,需要提供的能量。
The other thing I want to let you know is that instead of having a new problem-set that you'll be assigned this Friday, what we'll do instead is we'll give you some practice problems, and these will be just more of the same type of problems that you saw before but that's another chance to try them out more.
另外一件我想要告诉大家的是,这周五将不会像往常一样,给大家布置新的作业,而是给你们一些练习题,这些题目只是另一些跟原来同样类型的习题,你们应该都已经见过类似的,但这是尝试再次解决这类题目的机会。
In all these examples, this rope is assumed to be massless.
在所有这样的题目里都假设绳子没有质量
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