“natural gamma ray petroleum well logger”的概念、定义、翻译、参考文献-科学参考

单词	natural gamma ray petroleum well logger
释义	natural gamma ray petroleum well logger Encyclopedia 工学伽马射线石油测井释 natural gamma ray petroleum well logger自然γ射线石油测井仪通过测量井眼内的γ射线能谱和井眼周围地层中铀、钍、钾等多种放射性元素的含量，计算出地层相关物质的组成成分的核仪器。
随便看	isomorphic structure isomorphic subgroup isomorphic subnormal series isomorphic subobject isomorphic system isomorphic theorem of groups isomorphic theory isomorphic topological group isomorphic transformation isomorphic vector space * isomorphism *-isomorphism isomorphism isomorphism class isomorphism-closed subcategory isomorphism condition isomorphism invariant isomorphism law isomorphism mapping isomorphism of abelian varieties isomorphism of algebraic systems isomorphism of algebras isomorphism of categories isomorphism of fields isomorphism of graphs

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