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通过对七运会女子标枪运动员的投掷步与世界优秀选手投掷步躯干运动生物力学参数的对比分析，发现我国女子标枪运动员在投掷步技术上存在着一定的差距，为提高我国标枪运动成绩，完善我国运动员投掷步技术是十分必要的。
Through the comparison and analysis of the biomechanical parameters of the step trotters and the throwing step of the world’s top javelin throwers, it is found that there is a certain gap between the javelin throw techniques and the javelin throw in our country. In order to improve the javelin athletic performance in our country, It is very necessary for Chinese athletes to throw step technology.