“national prototype of the kilogram”的概念、定义、翻译、参考文献-科学参考

单词	national prototype of the kilogram
释义	national prototype of the kilogram Encyclopedia 工学质量计量技术释 national prototype of the kilogram1千克质量基准砝码中国在1965年从国际计量局得到砝码器号是60号的国家千克原器。
随便看	Bolivarian Alliance for the People of Our America Bolivarianism Bolivia Bolivian Art Bolivian Communist Party Bolivian Federation of Miner Labor Unions Bolivian music Bolivian Socialist Falange Bolivian Workers’ Confederation Boli Xian Bolle's poplar Bolod Chingsang bological sampling Bologna Bologna Children's Book Fair Bologna Process Bologna survey bologram bolograph Bolometer bolometer bolometer array Bolometer arrays bolometric bolometric absolute magnitude

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