“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	Atlantic meridional mode Atlantic multidecadal oscillation Atlantic Niño Atlantic Ocean Atlantic Standard Time atlantoaxial instability atlantoaxial joint atlantooccipital joint Atlas atlas Atlas crater Atlas el kebir ATLAS experiment Atlas Mountains atlas of a manifold Atlas of Chinese Cultural Relics Atlas of Goldfish atlas of natural disaster atlas of natural disaster risk Atlas of Patterns and Designs on Chinese Silk Atlas of Peculiar Galaxies Atlas of Physical Geography of the People’s Republic of China Atlas of the Past Dynasties Atlas Saharien Atlas series launch vehicle

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