“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	oil column oil cooler oil core oil cup oil cut oil derrick oil dilution valve oiled silk oil emulsion oil-extended rubber oil field oil-field brine oil-field emulsion oil-field model oil-field separator oil-filled cable oil filter oil floor oil fogging oil furnace oil gas oil-gas process oil-gas separator oil-gas tar oil gland

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。