“national prototype of the kilogram for checking”的概念、定义、翻译、参考文献-科学参考

单词	national prototype of the kilogram for checking
释义	national prototype of the kilogram for checking Encyclopedia 工学质量计量技术释 national prototype of the kilogram for checking1千克质量作证基准砝码为了监测1千克质量基准砝码的量值是否发生变化而专门设立的复制件。
随便看	direct moral education direct motion direct motor thrust contro direct moxibustion direct multiplication directness direct neutron decay direct nucleon decay direct numerical integration scheme direct numerical method direct numerical simulation Director director Directorate for Imperial Accouterments Directorate for Imperial Temples directorate-general　 Directorate of Astronomy and Calendar Directorate of Waterways direct orbit director-choreographers in integrated musicals director circle director cone director curve direct organogenesis director-general of grain transport

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