... [真]圆度标准 standard of roundness [真]圆度标准 standard of roundness 时间标准 standard of time ...
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standard of roundness
圆度标准
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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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