“sight extension”的概念、定义、翻译、参考文献-科学参考

单词	sight extension
释义	sight extension [`sīt ik´sten·shǝn] ^ORDNANCE Any device which raises the normal base or mount of a gunsight to provide improved or unobstructed sighting.
随便看	compound statement compound sugar compound tubular-acinous gland compound tubular gland compound twins compound valley glacier compound volcano compound wave compound winding compregnate compressadensity function compressed air compressed-air blasting compressed-air diving compressed-air illness compressed-air loudspeaker compressed-air power compressed straw slab compressibility compressibility burble compressibility correction compressibility error compressibility factor compressible flow compressible-flow principle

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。