并对同样实验条件下的煤粒瓦斯放散进行了对比研究。
Under the same experimental conditions, contrast analysis of the characteristics of gas emission of coal particles was done.
通过一项英语写作教学对比实验，研究了同伴互评法对写作焦虑的影响。
This paper studies the effect of peer editing on writing apprehension through a comparative experiment of English writing teaching.
对五种刀片进行了实验研究和槽型对比分析及优选，从而为刀片槽型优选提供一定的依据。
By the experiments and groove contrast analysis with five types of milling inserts, so definite basis for the groove optimization was offered.
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