“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	geriatric pharmacology geriatric rehabilitation geriatric rehabilitation medicine Geriatrics Society of Chinese Medical Association Geriatric syncope geriatric syndrome Geri's Game Gerlach Gerling germ germacrane Germain Germain curvature Germaine Greer Germaine Tailleferre Germain Henri Hess Germain Nouveau Germain Pilon Germain prime German German Academic Exchange Service German Aerospace Industries Association German Angora rabbit German art German Art Education

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