超声激发声发射
claims frauds
Ultrasound-stimulated acoustic emission (USAE
突发声发射
discrete acoustic emission
发射机射频质量
transmitter RF performance
AE声发射系统
acoustic emission (AE) system
超声发射波束
transmitting ultrasound beam
磁声发射
magneto acoustic emission
magnetomechanical acoustic emission
电磁声发射
Electromagnetic acoustic emission
electromagnetically induced acoustic emission
调频立体声广播发射机
FM stereo broadcast transmitter