为此，提出了公路测量坐标计算方法。
For reason, author puts forward coordinate calculation method of highway survey.
基于平面相似变换和仿射线性变换原理提出两种格网坐标计算方法，并对其转换精度进行分析，得出有益的结论。
Two different methods based on the plane similitude conversion and affine linear transformation are put forward, conversion accuracy is analyzed, finally useful results are obtained.
在广义模态坐标的基础上讨论了增益矩阵的计算方法。
A method for computing the gain matrix is given based on the modal coordinate equation.
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