By using the method of questionnaire, mathematical statistics and logical analysis, this paper makes quantitative and dynamical analysis on condition of our hurdle race performance lag behind.
运用问卷调查、数理统计、逻辑归纳等方法，对我国跨栏跑项目落后状况影响因素进行量化和动态分析。
By using the methods of measurements mathematical statistics and logical analysis, this paper makes comparative study on standard-vision and skin-vision of race walking judge.
采用测量、概率统计和逻辑思维方法等对竞走裁判员与一般人的肤视力和标准视力进行了比较研究。
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