测量中点云六参数法求参数近似值矩阵，检核点的拟合高程异常，检合点的高程异常与其拟合值之差以及拟合精度。-The six-parameter method to calculate the parameter matrix approximation, the fitting of the check point elevation is abnormal, check the elevation of the chalazal exception with its fitted value of the difference between fitting accuracy.