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单词 quarter-sight
释义

Definition of quarter-sight in English:

quarter-sight

noun
Military historical
  • (Chiefly in plural) a sight engraved on the base ring of a cannon in quarter degrees and used to set its elevation.

Origin

Mid 19th century; earliest use found in The Penny Cyclopaedia.

 
 

Definition of quarter-sight in US English:

quarter-sight

noun
Military historical
  • (Chiefly in plural) a sight engraved on the base ring of a cannon in quarter degrees and used to set its elevation.

Origin

Mid 19th century; earliest use found in The Penny Cyclopaedia.

 
 
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更新时间:2025/1/27 14:27:17