“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	Emin (Dorbiljin) Xian eminent domain Eminent Historian and Historiography Emin River Emirates Airline Emir Kusturica emirp emirpimes Emissary of the People emission emission allowance emission and absorption of infrared radiation emission angle emission area emission band emission calibration emission charges system emission coefficient emission component emission computed tomography emission computed tomography (ECT) emission control of fuel-gas emission control test of system emission efficiency emission efficiency of terahertz radiation

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