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

单词	primary standard of exposure
释义	primary standard of exposure Encyclopedia 工学照射量基准释 primary standard of exposure照射量基准复现X射线（5～300千伏）和γ射线（137Cs, 60Co）照射量量值，用于标准和工作级计量器具的量值传递。
随便看	China Machine Press China Machine Readable Catalogue Format China-Malaysia Qinzhou Industrial Park China-Maldives Friendship Bridge China Management Case Center Alliance China Management Case-sharing Center China Maritime Museum China Maritime Pilot's Association China Marketing Association China Marketing Association of Universities China Maternal and Child Health Association China Media Capital China Media Culture Promotion Association China Media Report China Medical Association of Minorities China Medical Science and Technology Press China Medium-sized City Sports Association China mega city-regions China Merchants Archives China Merchants Group China Metallurgical Group Corporation China Metallurgical Industry Planning and Research Institute China Metallurgical Information and Standardization Institute China Meteorological Administration China military standard time

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