“time efficiency of drilling”的概念、定义、翻译、参考文献-科学参考

单词	time efficiency of drilling
释义	time efficiency of drilling Encyclopedia 理学钻探技术经济指标释 time efficiency of drilling钻探时效钻探生产中，各种工况的时间占钻探工作总时间的百分比。
随便看	similarity point similarity principle similarity query similarity ratio similarity ray similarity region similarity relation similarity rule similarity scale-up principles similarity search similarity searching similarity theorem similarity theory similarity transformation similarity transformation group similarity type similar linear representation similarly situated figures similar mappings similar matrices similar matrix representation similar operators similar ordered set similar permutation similar permutation groups

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。