“gamma logging device”的概念、定义、翻译、参考文献-科学参考

单词	gamma logging device
释义	gamma logging device Encyclopedia 工学声幅测井仪释 gamma logging device伽马测井仪依据天然或人工伽马源在地层和井眼中生成辐射场，测量和分析伽马射线的强度和能谱，借以研究地层的岩性、矿物成分、密度、孔隙度、流体运移及相关地质工程问题的一系列原子核地球物理测井仪器。
随便看	pre-selection preselection preselective Presence presence presence and absence presence and absense (of observer) presensitized plate present presentable category presentable group present algebra present analysis and assessment of water conservancy planning presentation presentational presentation edition presentation matrix presentation of a group presentation of length n presentative Present-Day Tasks of Language Reform Present-Day Tasks of Language Reform and Chinese Phonetic System Presented School Regulation Presented to Cao Biao, Prince of Baima presenteeism

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