Underwater tow水下拖曳underwateradj.在水中生长的；水下的adv.在水下Underwater Target Activated Sensor水下目标激活探测器Underwater acoustic countermeasuer水声对抗Underwater Launched Missile System水下发射导弹系统underwater passive target tracking水下被动目标跟踪underwater high-speed propulsion水下高速推进underwater acoustic countermeasure水声对抗Underwater Weapons System Division水下武器系统部underwater concrete placing record水下砼浇注记录underwater wireless sensor network水下无线传感器网络underwater target detection system水下目标探测系统