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