中文说明：拟合曲面，先输入已知数据，拟合出系数，再带入未知点的X，Y坐标进行计算！
English Description：
To fit the surface, first input the known data, fit the coefficient, and then bring in the X, y coordinates of the unknown point for calculation!
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中文说明：拟合曲面，先输入已知数据，拟合出系数，再带入未知点的X，Y坐标进行计算！
English Description：
To fit the surface, first input the known data, fit the coefficient, and then bring in the X, y coordinates of the unknown point for calculation!