“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	touch sensation touchstone Touchstone Pictures touch voltage Touge sankichi tough toughened glass toughening toughening agent toughness toughness conjecture toughness damage toughness, tenacity tough tongue Toulian Xicao toulinqi Toulmin's model of argument Toumai to understand deeply Toungoo Toungoo Dynasty touqiaoyin tour tour arrangement tourelle

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