“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	second-remove subroutine second sound second species seconds pendulum second strike second-strike capability second-time-around echo second-trip echo second water second-year ice secrecy system secretin secretion secretor gene secretory granules secretory structure secret weapon sectile section sectional center sectional conveyor sectional core barrel sectional header boiler sectionalized vertical antenna sectional radiography

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