“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	regular parametrized curve regular part regular partial differential equation regular patch regular path expression regular pencil of matrices regular pentagon regular permutation regular permutation group regular perturbation regular perturbation system regular p-gon regular p group regular p-group regular point regular point of a curve regular point of a mapping regular point of an operator regular point of the boundary regular points algorithm regular point system regular polychoron regular polygon regular polygon division by diagonals regular polyhedral angle

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