The paper uses the mathematical analysis method and considers the effect of banding resistance in pulling process to set up the new calculation model.
通过数学解析方法，重点考虑回拖过程中管道弯曲段弯曲阻力的影响，建立了铺管阻力新计算模型。
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。
Applying the method of mathematical regression analysis, one regression equation was found.
用一元回归分析的方法推导出了一个回归方程。
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