计算出边坡其余部位的测点相对于参考点的变形响应率，通过响应率的变化趋势来判断边坡不同部位的稳定状况。
By comparing the displacement change of other monitoring points with the reference point, the deformation response ration was obtained to determine the stable status of different cut slope positions.
数控机床回参考点的准确性，不但影响机床的稳定性，更重要的还影响加工精度及加工尺寸的稳定性。
Numerical Control Machine Returning Reference point by? Rule and line, Affect Stability of Machine, and that, Affect Precision of Machine.
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