现役舰 meaning in Chinese

ship in commission

Abstract : this article analyzes the invalid phenomena , effect and harm of an serving radar on naval vessel , the modularizing design method the improvement with the transmitter , as a result , finds out an effective way to improve the reliability of the serving equipment is found out
摘要：分析了某现役舰载雷达的发射机故障的失效现象、影响和危害，采用模块化的设计方法，对发射机进行改进，找到了一种提高现役装备可靠性水平的有效途径。