“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	traffic impact analysis of construction project traffic impediment warning systems traffic incident detection system traffic indication traffic information collecting traffic information collection system traffic information dissemination traffic information security traffic injury Traffic Insurance and Compensation traffic intensity traffic island traffic island greening traffic landscape traffic land use traffic level of service traffic light traffic line traffic line marking traffic maintenance of equipment traffic management traffic management information system(TMIS) traffic map traffic mark traffic marking

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