超声衍射时差法
TOFD
ultrasonic TOFD
Ultrasonic Time of Flight Diffraction
Ultrasonic time of flight diffraction technique
超声波衍射时差法TOFD
Time of Flight Diffraction
超声波衍射时差法(TOFD)
Time of Flight Diffraction
超声波衍射时差法
Time of flight diffraction technique
Time of Flight Diffraction
差值正常时差
differential normal moveout
DNMO
变骨架时差
variable matrix interval transit time
S-P到时差
S-P arrival time difference
超声衍射时差法(TOFD)
TOFD(time of flight diffraction) technology