“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	error of an observation error of approximation error of calculations error of estimation error of fitting error of focusing error of input data error of interpolation error of mean error of mean square error of measurement error of pointing error of rejecting true error of rounding error of run error of the first kind error of the first kind; type Ⅰ error error of the input data error of the second kind error of the second kind; type Ⅱ error error of the third kind error of tilt error of transmission error of truncation error order

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