“钻井效益指标”的概念、定义、翻译、参考文献-科学参考

单词	钻井效益指标
释义	钻井效益指标 Encyclopedia 工学钻井经济评价释 drilling benefit index钻井效益指标对钻井工程进行经济效益评价的指标体系。
随便看	frequency factor frequency-following response frequency four-vector frequency fraction frequency function frequency histogram frequency hopping frequency hopping technique frequency hypothesis frequency hysteresis frequency indicator frequency instability frequency interval frequency inversion frequency jitter frequency judge approach frequency jumping frequency locking frequency-locking frequency matching frequency measurement frequency measuring equipment frequency meter frequency meter, frequency counter frequency method

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。