“sight base”的概念、定义、翻译、参考文献-科学参考

单词	sight base
释义	sight base [`sīt ´bās] ^ORDNANCE 1. In gunnery, the distance between the eye and the rings of an optical ring sight. 2. Mount for a gunsight.
随便看	baleen baler Balfour's law baling Bali wind balk balking ball ball-and-race-type pulverizer ball-and-ring method ball-and-socket joint ball-and-trunnion joint ballas ballast ballast factor ballast lamp ballast leg ballast line ballast movement ballast passage ballast pump ballast reactor ballast resistor ballast tank ballast tube

科学参考收录了103327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。