“bar sight”的概念、定义、翻译、参考文献-科学参考

单词	bar sight
释义	bar sight [`bär ´sīt] ^ORDNANCE The rear sight of a firearm, consisting of a movable bar, usually with an open notch.
随便看	nodular powder nodule nodules of the semilunar valves nodulizing nodulose Noeggerathiales Noetherian module Noetherian ring no-fines concrete nog nogalamycin no-go gage no-hair theorems noil noise noise analysis noise analyzer noise-canceling microphone noise control noise digit noise distortion noise equivalent temperature difference noise factor noise figure noise filter

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