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单词 range scale
释义 range scale
[`rānj ´skāl]
ORDNANCE
1. Scale on the arm of a plotting board where the observed range of a moving target is recorded in finding firing data.
2. Graduated scale on the sight or mount of a gun, used to show the elevation of the gun.
3. Table of firing data giving elevation settings corresponding to various ranges for the standard charges.
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