S-P到时差
S-P arrival time difference
变骨架时差
variable matrix interval transit time
测向测时差定位
DF and TDOA measurements
Bearing time difference location
差时判断
time-differencial control
差值正常时差
differential normal moveout
DNMO
常规声波时差曲线
conventional acoustic slowness log
超声波衍射时差法
Time of flight diffraction technique
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TOFD
Time of Flight Diffraction
超声衍射时差法
TOFD
ultrasonic TOFD
Ultrasonic Time of Flight Diffraction
Ultrasonic time of flight diffraction technique
超声衍射时差法(TOFD)
TOFD(time of flight diffraction) technology