“sighting system”的概念、定义、翻译、参考文献-科学参考

单词	sighting system
释义	sighting system [`sīd·iŋ ´sis·tǝm] ^ORDNANCE A mechanical or optical device for aiming a firearm or for laying a gun in position.
随便看	flying head flying hour rate flying paster flying saucer flying shear flying spot flying-spot microscope flying-spot scanner flying switch flying veins fly-off fly rock flysch flyway flywheel flywheel synchronization FM Fm fm FM/AM multiplier F martingale F meson FMF FMN fnp

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。