“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	personal credit evaluation personal difference personal digital assistant personal digital assistant for courier personal digital library personal direct payment for health services personal dose equivalent personal dose limit personal dose limit; individual dose limit personal dose monitoring instruments personal dosimeter personal equation personal error personal exposure personal file personal freedom personal genomics personal hygiene in sexual life personal identification personal identification number personal information personal information management personal information management, PIM personal information protection Personal Information Protection and Electronic Documents Act

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