3) The sound of a heavy blow; a thump.
重击声;锤击
4) To strike forcefully; punch.
用力击;重击
5) overlapping firing
重迭射击
1.
Based on the optimized fire distribution principle,the theoretical optimized fire distribution method of overlapping firing of rifle gun and rocket gun is gotten.
现代战争火箭炮与线膛炮重迭射击应用较多,而对两者的火力分配方法,现行《地面炮兵射击教程》却无明确规定。
6) multi-lightning strokes
多重雷击
1.
Analysis of three circuit breaker faults caused by multi-lightning strokes and preventative measures to be taken;
三起多重雷击引起断路器损坏的事故分析及防范措施
