“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	product moment product-moment coefficient of correlation product-moment correlation product-moment correlation coefficient product moment of area product neighborhood product noise standard product notation product object product of a family of objects product of algebras product of cardinal numbers product of categories product of coal tar processing product of commutators product of correspondences product of cycles product of differences product of distributions product of elements product of extensions product of factors product of fiber bundles product of forms product of generalized functions

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。