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

单词	acoustic velocity logging device
释义	acoustic velocity logging device Encyclopedia 工学电阻率测井仪释 acoustic velocity logging device声速测井仪测量井下岩层的声波纵波速度的倒数，即声波纵波在单位厚度地层传播所需时间的声波测井仪器。又称声波时差测井仪。
随便看	invariant element invariant embedding invariant embedding method invariant equation invariant estimate invariant estimator invariant estimator (estimate) invariant event invariant expression invariant factor invariant factor ideal invariant family of distributions invariant field invariant form invariant function invariant functional invariant geodesic invariant geometric object invariant group invariant group element invariant harmonic function invariant hypothesis invariant ideal invariant imbedding invariant imbedding method

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