“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	leading sectors leading singularities leading spot leading strand leading structure leading submatrix leading submodule leading sunspot leading term leading term ideal Lead in Guizhou leading variable leading wave leading work group leading zero lead-lag control leadless chip carrier leadless chip carrier, LLCC lead line lead metallurgy lead mineral lead monoxide lead nitrate lead optimization Lead ore resources

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