本文的分析计算方法和试验研究的结果，为水平冲击试验机的设计提供了部分资料。
This paper submits partial information for the designing of the horizontal shock testing machine with its analytical calculating methods and results of experimental study.
本文使用中国社会科学院人口与劳动经济所的城市住户调查资料，分析了父母的就业冲击对子女大学入学决策的影响。
In this paper we employ urban household data collected by Institute of Population and Labor Economics to present the evidence of shocks to parent employment on the college enrollment decision of kids.
这是第四纪地质条件下经冲击钻造孔并进行水下浇筑混凝土防渗墙工程资料的反馈。
This is the feedback of the seepage cutting concrete wall construction materials after masonry drills boring and casting underwater in the conditions of Quaternary geology.
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