“超声波测井”的概念、定义、翻译、参考文献-科学参考

单词	超声波测井
释义	超声波测井 Encyclopedia 理学声波测井释 ultrasonic logging超声波测井采用超声波频段（＞20千赫）的脉冲弹性波在井下进行的超声脉冲回波测量技术。
随便看	proper factor proper factor group proper filter proper flag manifold proper forcing proper forcing axiom proper forcing axiom (PFA) proper fraction proper function proper game proper generator proper group proper group action proper holomorphic mapping proper homotopy proper homotopy theory proper hypergeometric term proper hyperplane proper hyperquadric proper hypersphere proper ideal proper including set proper inclusion proper integral proper intersection

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。