| 单词 | safety factor | 
| 释义 | safety factor [`sāf·tē ´fak·tǝr]  ELECTRICITY The amount of load, above the normal operating rating, that a device can handle without failure.  MECHANICS See <<factor of safety>>  ORDNANCE 1. Increase in range or elevation that must be set on a gun so that friendly troops, over whose heads fire is to be delivered, will not be endangered.  2. Overload factor in design to ensure safe operation.  | 
	
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