井群降水复核计算，自动提取图形中的圆作为井点，根据输入的井群总出水量、井群降水影响半径、含水层厚度等，自动计算任何指定位置的动水水位及降深-Well precipitation review, the automatic extraction of the circle graph as well, according to the total group entered the water, well, well the impact of cluster radius of precipit

自己编的闻邦椿书上的Riccati法求临界转速。转子模型为单跨双圆盘模型，没有加入去除奇点的算法，结果可能有奇点，没有提取振型。-Own Wen Bangchun Riccati law book uates the critical speed. Rotor model for the single-span double-disc model, did not join the removal singularities algorithm, the results may have si