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

单词	primary standard of length
释义	primary standard of length Encyclopedia 工学米定义释 primary standard of length长度计量基准以现代科学技术所能达到的最高准确度保存和复现长度单位“米”的整套装备。
随便看	stilbestrol stilbmeter stile concitato still stillage Stille coupling Stille coupling [reaction] Stille coupling reaction Stille cross-coupling Stille, Wilhelm Hans still image stilling Stillinger Weber potential Stillinger-Weber potential stillingia oil Still Life Still-life still life desk still-life photography Stillman Drake still photographer still tide or slack tide stilt hypha stilts stilts dragon

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