The purpose of this study was to propose a motivational model of sporting dropout and test it through survey and analysis.
研究目的是建立大学生逃避运动行为的动机模型，并通过调查分析来验证该模型。
The paper gives a detailed analysis of the design method causing rod string dropout and points out its inadequacies.
文章对抽油杆柱断脱的设计方法进行了详细的理论分析，指出了其中存在的问题。
RESULTS: All 33 students finished the experiments and entered the result analysis without any dropout.
结果：33名学生全部完成实验，均进入结果分析，无脱落。
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