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本文讨论了单向测量时,标准球的理想位置在何处?回转轴线的含义是什么?为什么必须消除一次谐波?同时,就上述问题提出了一些想法与现行观点商榷。
This paper discusses the unidirectional measurement, the ideal position where the standard ball? What is the meaning of the axis of rotation? Why must eliminate the first harmonic? At the same time, the above issues put forward some ideas to discuss with the existing views.