按体重分级进行
Scale by weight
以上为机器翻译结果，长、整句建议使用 人工翻译 。
用实验研究方法，提出了应以体重分级，按学生拉引次数进行评分。
After experimental study, it is proposed that the evaluation should be based on different body weight grade together with the Numbers of chinning and dipping the students finished.
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