“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	jade and nephrite deposit Jade Animation Design Company Jade Articles of Three Kingdoms,Two Jin Dynasties and Southern and Northern Dynasties Jade Bead with Dragon and Phoenix Design of Sixteen Sections from Tomb of Marquis Yi of Zeng State Jade Belt from Former Shu Wang Jian Tomb jade belt in the Ming Dynasty Jade Belt of Emperor Yangdi of the Sui Dynasty jade bi disks jade bi of the Han Dynasty jade biqi of Erlitou Culture Jade Bi with Pattern from Anxi Baimushan jade burial suit of the Han Dynasty jade carving Jade Carving Dayu’s Flood Control jade carving machine Jade Carving Nine Oldmen in Huichang period Jade Carving Qiushan Xinglv Tu jade carvings in Fuhao's Tomb jade carvings of Han Dynasty Jade Carving Tong Yin Shi Nr Tu(A lady under the Shadan of the Chinese parasol tree) Jade Cicadidae of the Han Dynasty Jade Cladding in the Han Dynasty jade coffin of the Han Dynasty Jade Cong at Fanshan jade Cong of Fanshan Cemetery

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