active acoustic detecting device
active acoustic barrier
active acoustic homing mode
active acoustic intensity
Active acoustic structure
active acoustic torpedo
active device
有源器件
主动装置
有源组件
有源元件
有源装置
有效装置
主动元件
active-active transient mode-locking technology
adaptive active acoustic structure
Optical active device and Optical transmission equ
birefringent acoustic device
electro-acoustic device
electro-thermo-acoustic device
long range acoustic device