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

单词	national measurement primary standard
释义	national measurement primary standard Encyclopedia 工学国家测量基准释 national measurement primary standard国家测量基准为了定义、实现、保存或复现量的单位或一个或多个量值，用作参考的实物量具、测量仪器、标准物质或测量系统。又称国家计量基准或国家基准。
随便看	impedance matrix impedance measurement impedance spectroscopy impedance transformation and matching impedance transformers impedeing device impedimeter impedimetry impediography impedometer impedor impellent impeller impeller aerator impeller of compressor impenetrability impenetrable impenetrate imperative language imperative logic imperceptibility imperceptible imperfact absorption imperfect imperfect cloning

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