The generalized large well method is not applicable when the influence radius doesn't exit and the complicated hydrogeological condition is not fit to the condition of Dupuit well-flow formula.
但是当水文地质条件复杂，不能引用影响半径时，就不符合裘布依井流公式的适用条件，也就不能再用大井法计算排水量；
Spherical curvature radius was optimized through controlling the exit rays and using the automatic optimization function of optical design software.
通过对出射光线的控制，利用光学设计软件的自动优化功能，优化出满足条件的球面曲率半径。
Spherical curvature radius was optimized through controlling the exit rays and using the automatic optimization function of optical design software.
通过对出射光线的控制，利用光学设计软件的自动优化功能，优化出满足条件的球面曲率半径。
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