因为本内特先生需要请假一段时间,所以他要求开一张病假条。
Since Mr. Bennett was going to need some time off work, he asked for a sick note.
一家工厂提出的需要再建一家工厂的要求。
The demand generated by one factory required the construction of another.
如果出于科学目的需要该作品,买家甚至可能被要求归还作品。
A purchaser could even be required to agree to return the piece if it should become needed for scientific purposes.
And that's what led us to a number of results to determine what quantities we even need to be looking at.
这就要求我们考察一系列结果,然后决定到底需要计算什么物理量,来找出。
Some people ask me if I want you to know the molecular weights and so on, and I thought that was bit excessive.
有些人问我,你们是否需要记住元素的相对分子质量,我认为这样的话要求有点过高了。
Most of the information that we covered about requirements for the class and things like that were-- are on the course website.
所有课程要求,和其他大部分需要了解的信息,都可以在这个网站上找到
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