首选武器 meaning in English

weapon of choice

The compelling need to keep allied casualties to a minimum , coupled with a desire to limit collateral damage on the receiving end of long - distance strikes , are the principal reasons why cruise missiles and laser - guided bombs have become weapons of first resort
为了满足降低盟国最小伤亡的迫切要求，以及控制长途奔袭作战部队的附带损害，是巡航导弹和激光制导炸弹成为首选武器的原因。