计算机应用 基于网络的信息服务 释文 electronic toll collection system, ETCS 电子收费系统
- sound spectrogram
- sound spectrograph
- sound spectrum analysis
- sound spectrum analyzer
- sound speed
- sound speed in the atmosphere
- sound speed profile of sea water
- sound studio
- sound supervisor
- sound system
- sound system for emergency purposes
- sound the night watches
- sound theory
- sound track advance
- Sound training
- sound transition
- sound transmission loss
- sound transmittance
- sound trap
- sound velocimeter
- sound velocity
- sound velocity gradient
- sound velocity profile
- sound velocity profiler
- sound velocity profiling