“primary standard of line angle”的概念、定义、翻译、参考文献-科学参考

单词	primary standard of line angle
释义	primary standard of line angle Encyclopedia 工学角度计量技术释 primary standard of line angle线角度计量基准统一全国线角度量值的国家标准。又称圆分度基准装置。
随便看	Liu Shao Liu Shaoshao Liu Shaotang Liu Shaozong Liu Shen Liu Shen'e Liu Sheng Liu Shenggang Liu Shengmu Liu Sheng's Biography Liu Shengtong Liu Shenxu Liu Shifu Liushi Garden Liu Shijie Liu Shipei Liu Shiyinɡ Liu Shizhong Liushi Zhuan liu Shude Liu Shufang Liu Shugang Liushui Cemetery Liu Shuo Liu Shuwen

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