“national primary standard of measurement”的概念、定义、翻译、参考文献-科学参考

单词	national primary standard of measurement
释义	national primary standard of measurement Chemistry ＞分析化学＞标准物质＞释义 national primary standard of measurement国家计量基准
随便看	zero approximation zero arrow zeroaxial zero-base budgeting zero-based budgetbudget zero-beat method zero bias zero bias anomaly zero bias conductance zero bias resistance zero bilinear form zero carbon city zero-carbon housing zero category zero centre meter zero chain zero characteristic zero-circuit zero class zero-coefficient zero copy protocol zero correlation zero crossing zero-crossing zero crossing comparison method

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