bore sight

短语

词形变化

bore sights 复数 bore sights bore sighted bore sighting bore sights 三单 bore sighting 现在分词 bore sighted 过去式 bore sighted 过去分词

释义与例句

n.
  1. 1.

    An optical device, mounted on or near the end of a firearm's barrel, used to align the sights with the bore.

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  2. 2.

    A dummy cartridge containing a small battery-operated laser, used to align the sights.

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v.
  1. 1.

    To align the sights and aiming point of a firearm using a bore sight optical tool.

    工程 政治 军事