“orientation sub”的概念、定义、翻译、参考文献-科学参考

单词	orientation sub
释义	orientation sub Encyclopedia 工学定向井工具释 orientation sub钻井定向接头为陀螺测斜仪、随钻测斜仪等测量仪器提供固定方向坐放位置的配套工具。
随便看	herd behaviors Herd effect Herd Horse Dance herd immunity herding herding behavior herding effect to fish Herding Sheep in Beihai herdsmen's professional cooperative herd structure of grazing livestock herd susceptibility here-and-now Heredia hereditarily countable hereditarily countable set hereditarily decomposable continuum hereditarily disconnected space hereditarily enumerable set hereditarily finite set hereditarily generating system hereditarily indecomposable continuum hereditarily indecomposable space hereditarily normal space hereditarily ordinal definable set hereditarily ordinal-definable set

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。