Methods of mathematical, statistic and econometric analysis were employed.
研究方法：数理分析与统计和计量分析。
The theoretical mathematical models of airport capacity estimation are developed here, and statistic analysis methodology is introduced as well.
针对机场容量评估，推导建立了基本的理论数学模型，并介绍了统计方法。
On the basis of mathematical statistic, using the method of multiple regression analysis, the practical calculating formula of the shear lag coefficient in thin-walled curved box girders is derived.
在两端简支的边界条件下采用分离变量法求解偏微分方程 ，得到用级数表示的应力解 ，然后根据剪力滞系数的定义即可得到组合箱梁翼板的剪力滞系数。
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