根据针对10年前曾在同一所大学班级中的一群人进行的调查。
According to a survey conducted among a group of people who were in the same college class 10 years ago.
在你的班级或朋友中进行一项调查，看看他们最喜欢的运动是什么。
Do a small survey of your class or a group of friends to find out what their favourite sports are.
本文通过对班级道德场进行系统的理论分析，并运用文献法和调查研究的方法，从两大方面对班级道德场进行研究。
The paper discusses "Class Moral Field" in two parts by means of analyzing "Class Moral Field" systemically and theoretically with documentary and investigation methods.
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