“index hole”的概念、定义、翻译、参考文献-科学参考

单词	index hole
释义	index hole 分度孔
随便看	sight oil indicator sightproof louver sight radar range light sight rail sight ramp sight reach sight-reading chart sight reduction sight-reduction tables sight reticle camera sight reticule sight rule sight scale sight sensitivity sight-sound synchronization sight stop sight tester sight tracking line sight unit sight vane sight vane alidade sight window sigma factor sigmafon sigmalium alloy

科学参考收录了1248194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。