“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	raw goatskin raw gypsum raw hide raw image format raw jute raw lacquer raw material cleaning machine raw material for tannin extraction raw material purification raw material selecting and blending raw materials for organic industry raw materials for petrochemical industry raw materials of blast furnace ironmaking raw material storage control system raw material warehouse raw meal grinding process control system raw meal homogenization process control system raw meal proportioning process control system raw medicinals have ascending nature while the processed medicinals have descending nature raw medicinals have draining nature while the processed medicinals have tonifying nature raw medicinals have drastical nature while the processed medicinals have moderate nature raw medicinals have toxicity while the processed medicinals have less toxicity raw milk inspection raw moment raw of refraction

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