“Sigma index method”的概念、定义、翻译、参考文献-科学参考

单词	Sigma index method
释义	Sigma index method Encyclopedia 工学油气层解释方法释 Sigma index methodSigma指数法建立在DC指数检测地层压力的经验基础上，以钻井参数和其相应的机械钻速变化来反映地层压力的方法。
随便看	Open Door open drain caisson open drain system open economy open economy system open ecosystem opened composition open edge sequence open edge train Open Education Research open embedding open-ended class open-ended geometry Open-ended questions open-end fund open-end interview open-end spinning open equivalence relation openess open fault open field test open firing Open Fixed-Layout Document open flame kiln open flow capacity

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。