passive acoustic target
passive estimation of target depth
Passive sonar target recognition
Passive Target Detection
Passive Target Location
passive target orientation system
passive target positioning
Passive Target Tracking
Passive target tracking and location
Passive Target Tracking PTT
underwater passive target tracking
bei (被) passive sentences
critical passive current density
Cr 4+ :Nd:YAG passive Q-switch
Coulomb’s passive earth pressure theory
controllable passive tank stabilization system
continuous passive motion equipment