The results showed that there was a significant difference between boiled-water-supplied schools and others, with the attack rate of 0.21% and 26.28%(P<0.005) respectively.
暴露因子分析显示，供应开水和未供应开水的学校罹患率分别为0.21%、26.28%，两者发病有极显著性差别（P<0.005）；
By looking up a large amount of literatures and by video statistics, starting with the attack and defense characteristics, the tactical actions in Sanshou were divided into 7 forms.
通过查阅大量的文献资料和实际的录像统计工作，从对抗项目的攻防特性入手，将散手的战术行动分成7种主要形式。
By looking up a large amount of literatures and by video statistics, starting with the attack and defense characteristics, the tactical actions in Sanshou were divided into 7 forms.
通过查阅大量的文献资料和实际的录像统计工作，从对抗项目的攻防特性入手，将散手的战术行动分成7种主要形式。
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