| 单词 | calibration fire | 
| 释义 | calibration fire [`kal·ǝ´brā·shǝn ´fīr]  ORDNANCE Preparatory fire to determine the separate corrections to be applied to the individual guns or launchers of a battery in order to cause all the weapons to hit the same point, or bursts or impacts to assume a desired pattern.  | 
	
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