“standard device for ground radioactivity survey”的概念、定义、翻译、参考文献-科学参考

单词	standard device for ground radioactivity survey
释义	standard device for ground radioactivity survey Encyclopedia 理学放射性勘探计量设施释 standard device for ground radioactivity survey地面放射性测量模型标准装置由天然K、U、Th矿石（粉）与石英砂、水泥混合制成的含有一定放射性物质的混凝土模块。
随便看	iron sulfate heptahydrate iron sulfides iron-sulfur centre iron-sulfur protein iron sword in Spring and Autumn Period,Lingtai Iron Sword with Jade Handle of Guo State iron telluride iron triangle iron trichloride Iron Weapons from Han Dynasty Tomb at Mancheng Iron Weight of the Wuping Reign irony iron(Ⅱ,Ⅲ) oxide Iroquois IRPA IRPS IRR irradiance irradiance of Lambert source irradiance of point source irradiant irradiate irradiation irradiation as a phytosanitary treatment irradiation channel

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