“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	Alejandrina Mireya Luis Hernández Alejandro de Humboldt National Park Alejandro de la Sota Martinez Alejandro Galindo Alejandro Garcia Caturla Alejandro González Iñárritu Alejandro R.Roces Alejo Carpentier Alekhin crater Aleko Konstantinov Aleksander Alekandrovich Deineka Aleksander Fredro Aleksander Kwasniewski Aleksander Nicolayevich Veselovsky Aleksander Nikolayevich Afanasyev Aleksander Nikolayevich Sokurov Aleksandr Aleksandrovich Baykov Aleksandr Aleksandrovich Blok Aleksandr Aleksandrovich Skochinsky Aleksandr Anatolyevich Mindadze Aleksandr Andreyevich Ivanov Aleksandras Macijauskas Aleksandr Borisovich Chakovsky Aleksandr Filippovich Kokorinov Aleksandr Grinberg

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