... expansion : 展开,展开式,扩充,开展,膨胀,扩张物,辽阔,浩瀚 approximate expansion : 近似展开式 monetary expansion : 货币扩张 ...
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近似K-L修正展开式 approximate modified expansion
利用同伦分析方法,得到了该模型解的近似展开式。
Using the homotopy analysis method, the approximation of the solution for the model was obtained.
利用变分迭代理论,简捷地得到了该模型解的近似展开式。
Using the variational iteration theory, the approximation of the solution for its model is obtained for short cut calculation.
将降深表达式中的两个井函数利用其展开式的前三项作为其近似式,建立一个二元线性回归方程。
Taking the first three teams of the expression of Theis exact solution as the approximation of the two wall functions describing the drawdown, the binary linear regression expression is developed.
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