“the primary standard for line scale metrology”的概念、定义、翻译、参考文献-科学参考

单词	the primary standard for line scale metrology
释义	the primary standard for line scale metrology Encyclopedia 工学线纹计量技术释 the primary standard for line scale metrology一维线纹计量基准用于一维线纹计量器具校准和溯源，统一全国线纹量值的国家计量基准。
随便看	Port of Buenos Aires Port of Changsha Port of Chittagong Port of Dakar Port of Dalian Port of Djibouti Port of Dongning Port of Dubai Port of Duisburg Port of Fangchenggang Port of Felixstowe Port of Foshan Port of Fuyuan Port of Gothenburg Port of Guangzhou Port of Guigang Port of Haerbin Port of Halifax Port of Hamburg Port of Hangzhou Port of Hedland Port of Hefei Port of Heihe Port of Hong Kong Port of Huangshi

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