“drilling machine-hour”的概念、定义、翻译、参考文献-科学参考

单词	drilling machine-hour
释义	drilling machine-hour Encyclopedia 理学钻探技术经济指标释 drilling machine-hour钻探台时一台钻机在一天中工作的时间。
随便看	regularly convex function regularly convex set regularly homotopic regularly homotopic mapping regularly intermittent pulse regularly isotopic regular manifold regular mapping regular map projection regular Markov chain regular matrix regular matroid regular maximum ideal regular measure regular method regular metric regular mixture regular mode and reverse mode regular model regular module regular moment regular monomorphism regular nebula regular neighborhood regular net

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。