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。
2
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.