“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	principle component loading and loadings plot principle component score and scores plot principled negotiation principle error of laser interferometer Principle Ethics principle isotope principle of Abbe's imaging principle of abstraction principle of action and reaction principle of action at a distance principle of adjusting temperature and humidity by ventilation principle of administrative emergency principle of a legally prescribed punishment for a specified crime principle of antisound principle of architecture design principle of argument principle of attenuation of correlation principle of attenuation of correlations principle of attenuation of correlations, PAC principle of audibility principle of balayage principle of basic human rights principle of bearing responsibility solely for one's own crime principle of beneficiary pay principle of bilateral transaction

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