“密度测井仪”的概念、定义、翻译、参考文献-科学参考

单词	密度测井仪
释义	密度测井仪 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	marriage by exchange marriage by service marriage certificate issued by Taiping Heavenly Kingdom Marriage for Peace marriage gradient marriage law Marriage Law of the People's Republic of China marriage of classes marriage of old aged Marriage of the Fairy Princess marriage problem marriage registration marriage registration archives management marriage statistics marriage system marriage theorem Marriage à la Mode married couples problem married songs with tears marrow marrow consumption marrum Marr vision theory of computation Mars Marsabit National Reserve

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。