“钻井定额”的概念、定义、翻译、参考文献-科学参考

单词	钻井定额
释义	钻井定额 Encyclopedia 工学钻井经济评价释 drilling quotas钻井定额钻井工程消耗时间、物资、资金的核定基准。
随便看	upper ideal upper index upper integral upper ionized layer upper landing upper Lebesgue sum upper left corner upper left-hand derivative upper level upper-level wind observation upper limb upper limb myotome upper limb orthosis upper limit upper limit event upper limit function upper limiting filter upper limit of an integral upper limit of a sequence upper limit of integral upper limit of the integral upper limit on the left upper limit on the right upper lip upper/lower critical solution temperature

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。