“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	direct plate direct plummet observation direct policy search direct potentiometry direct power direct prism direct probability integral method direct problem direct product direct product algebra direct product decomposition direct product factor direct product group direct product G-set direct product lattice direct product Lie group direct product mapping direct product module direct product of algebras direct product of distributions direct product of groups direct product of modules direct product of rings direct product of sets direct product of sheaves

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。