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

单词	density logging device
释义	density logging device Encyclopedia 工学中子测井仪释 density logging device密度测井仪以伽马射线与地层相互作用为基础，利用同位素伽马源向地层辐射伽马射线，在一定源距外探测各种散射伽马射线，以测定地层密度的核测井仪器。又称散射伽马能谱测井仪。
随便看	unified joint command system in China unified magnitude unified management of water resources in the basin unified management principle by profession unified management principle of party archives and government archives unified mass unit Unified Medical Language System，UMLS unified model unified modeling language unified modeling language, UML unified modeling language，UML unified model of active galactic nuclei Unified Parallel C unified peer-to-peer database framework unified peer-to-peer database framework, UPDF unified power flow controller unified power supply and distribution Unified Purchase and Marketing of the Major Agricultural Products unified purchase and sale unified rules for project Unified Socialist Party of Mexico unified standard Unified State Examination in Russia unified strength theory unified system of photometry model

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