In this paper, the internal and external methods of reproducing roundness standard are introduced. Adapting which standard and reproducing method is discussed.
介绍了国内外复现圆度标准的方法，并就采用何种标准和复现方法进行了讨论。
In this paper, the internal and external methods of reproducing roundness standard are introduced. Adapting which standard and reproducing method is discussed.
介绍了国内外复现圆度标准的方法，并就采用何种标准和复现方法进行了讨论。
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