“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	Weyl algebra Weyl almost-periodic function Weyl anomaly Weyl asymptotic formula Weyl basis Weyl calculus Weyl canonical basis Weyl chamber Weyl character formula Weyl conformal curvature tensor Weyl connection Weyl correspondence Weyl crater Weyl criterion Weyl curvature tensor Weyl denominator formula Weyl dimension formula Weyl-Eddington tensor Weyl equation Weyl form Weyl formula Weyl group Weyl group of algebraic group Weyl Hormander calculus Weyl-Hormander calculus

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