与此同时,政客们要求科学家们根据“经济需要”调整他们的研究。
At the same time, the politicians demand of scientists that they tailor their research to "economics needs".
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.
有一次,教授并没有要求学生购买教科书,只是需要作业提交的访问码。
In one case, the professor didn't require students to buy a textbook, just an access code to turn in homework.
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
Inside the suitcase is a plain piece of white paper and the children were asked to draw the things they think they would need on the trip. Sometimes they get they wouldn't need.
行李箱里面是一张普通的白纸,我要求孩子们,在纸上画出他们认为必要的,旅行用品,有时候他们画出来的并不需要。
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