声波频率响应校正
sonic frequency response correction
Sency response correction
频率-波数域声场函数
frequency-wavenumber domain potential function
声频频率计
sonic frequency cymometer
3-D声波波动方程
3-D acoustic wave equation
标量声波波动方程
scalar acoustic wave equation
超[频]声波干涉计
ultrasonic interferometer
超声波声速测量
Ultrasonic velocity measurement
超声波声速计
ultrasonic wave velocimeter