“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	industry television system of hydropower station industry TV drama industry-university cooperation industry-university-research collaboration industry workshop Indus Valley Civilization ineffective ineffectiveness of high frequency ineffective supply ineffectivity ineffectual inefficiency inefficient inefficient estimator inefficient statistic inelastic inelastic breakup inelastic collision inelastic electron tunneling spectroscopy inelastic electron tunneling spectroscopy, IETS inelastic encounter inelastic energy loss interface inelastic impact inelasticity inelasticity coefficient

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