“density logging”的概念、定义、翻译、参考文献-科学参考

单词	density logging
释义	density logging Encyclopedia 理学放射性测井释 density logging密度测井利用伽马源放出的伽马射线与地层物质发生光电效应和康普顿散射作用，通过探测散射伽马能谱及计数来确定地层岩性和密度的测井方法。
随便看	bounded truth-table reducible to bounded Turing reducible to bounded ultrapower bounded universal quantifier bounded upwards bounded variable bounded-variable technique bounded variation bounded variation function bounded vector lattice bounded vector measure bound electron bound energy bound-free absorption bound free laser bound-free laser bound free transition bound-free transition bound homotopy bounding bounding box bounding chain bounding cycle bounding manifold bounding operation

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