“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	basis theorem basis transformation basis vector basis vectors Basket basket Basketball basketball basketball court basketball of Summer Deaflympics basketball of Summer Special Olympics basket cell basket type structure basket weaving Basom Co basophil basophilia basophilic cell basophilic granulocyte basophilic granulocyte，basophilic leukocyte,basophil basophils Basotho National Party Basov, Nikolay Gennadiyevich Basque Autonomous Community Basque language

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