采用文献综述法、数理统计法对北京航空航天大学2001～2003年学生获得体育奖励学分的情况进行了研究。
With document summary and mathematical statistical method, this article makes a research on the condition that student gets sport award credit from 2001 to 2003 in Beijing Aerospace University.
本文综述了第四届北京国际化纤会议论文中有关细旦及超细纤维的内容。
This is a review of the thesis about fine denier fibers and super fine fibers which were presented on the 4th Beijing International Conference on Man-made fibers.
本文综述了北京大学在中子物理方面依托4。
本文综述了北京大学在中子物理方面依托4。
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