最后提出周期误差检测平台的优化设置方案。
Finally, it puts forward an optimum scheme to set up the platform for detecting the cyclic errors.
试验表明，短周期误差的60%左右可以被补偿掉。
As proved by experiments, about 60% of the short periodic errors can be compensated.
同时，对呆用平台法检测周期误差的棱镜对点精度进行了分析。
The accuracy of the centric position of prism used to test cyclic errors with platform method is also analysed.
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