“acoustic logging instrument”的概念、定义、翻译、参考文献-科学参考

单词	acoustic logging instrument
释义	acoustic logging instrument Encyclopedia 工学电阻率测井仪释 acoustic logging instrument声波测井仪器在井筒中利用声波换能器向井周介质发射声波，测量声波在岩石和井筒及其中介质传播时振幅、速度和频率等特征的变化情况，研究井眼、套管和地质剖面特征及其变化特性的一系列测井仪器的统称。
随便看	finite partition finite permutation group finite plane finite point finite polyhedron finite population finite population correction finite potency finite potential well finite presentability finite presentation finite prime divisor finite probability space finite process finite progression finite projection finite projection spectrum finite projective geometry finite projective plane finite projective space finite projector finite quasigroup finite quiver finite radical finite R algebra

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