超声波定位
ultrasonic wave localization
Ultrasonic location
Ultrasonic positioning
超声波定位系统的设计
Design of ultrasonic positioning system
超声波声速测量
Ultrasonic velocity measurement
超声波声速计
ultrasonic wave velocimeter
超声波位置传感器
ultrasonic position sensor
超声定位
ultrasound-guide
ultrasound
ultrasonographic localization
Ultrasound localization
ultrasound guidance
Localization by ultrasound
ultrasound guided
Ultrasonic location
ultrasonic localization
acoustic location
ultrasonic sensors location
超声定位穿刺
Ultrasonic position transpiercing
环形行波超声波电机
ring-type traveling-wave ultrasonic motor
三维超声定位技术
Three-dimension supersonic analysis technique
胎盘超声图像
ultrasound placenta images
微波-超声波
microwave-ultrasonic wave
微波-超声波联用
microwave-ultrasonic extraction