计算机应用 基于网络的信息服务 释文 electronic commerce, e-commerce 电子商务
- ultrasonic manipulation
- ultrasonic material dispersion
- ultrasonic measurement
- ultrasonic measuring distance
- ultrasonic mediated transformation
- ultrasonic medicine
- ultrasonic microscope
- ultrasonic monitoring
- ultrasonic motor
- ultrasonic motors
- ultrasonic nebulizer
- ultrasonic non-destructive testing
- ultrasonic oil production technique
- ultrasonic organic synthesis
- ultrasonic phased array inspection
- ultrasonic phased array test instrument
- ultrasonic phase velocity spectrum measurement in multi-phase flows
- ultrasonic physics
- ultrasonic power
- ultrasonic power meter
- ultrasonic power supply
- ultrasonic probe
- ultrasonic processing tools
- ultrasonic processing transducer
- ultrasonic Q switching