“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	hackberry hacker hacking hacking knife hacking-out tool hackle hackling hackly fracture hackmanite hackmarack hacksaw hack watch hadal Hadamard's conjecture Hadamard's inequality Hadamard's three-circle theorem Hadar haddock hade Hadfield manganese steel Hadley cell Hadromerina hadromycosis hadron hadron era

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