“偶极子声波测井仪”的概念、定义、翻译、参考文献-科学参考

单词	偶极子声波测井仪
释义	偶极子声波测井仪 Encyclopedia 工学声幅测井仪释 dipole (multipole) sonic logging device偶极子（多极子）声波测井仪利用偶极子（多极子）换能器代替传统单极子声源在井中激发弯曲波（扭转波），并测量其在井筒中传播特性的声波测井仪器。
随便看	downward control principle downward convex downward cumulation downward deviation downward directed set downward drift stoping with backfill downward lighting downward Lowenheim-Skolem theorem downward L-S theorem downward LS theorem downward Löwenheim-Skolem theorem downward-L⍥wenheim-Skolem theorem downwards bearing sensation in anus downward social comparison downward transition downwelling downy mildew downy mildew of crucifers downy rosemyrtle dowtherm evaporator doxastic logic doxenic doxographical tradition doxology Doyan Uriankhai

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