波及波能的利用
utilization of waves and wave energy
变形及延性
deformation and ductility
变形能力及延性
Deformation capacity and ductility
表面声波延迟线
Surface Acoustic Wave (SAW) delay line
surface acoustic wave delay line
车流平均延误
mean delay of traffic flow
乘客人均延误
the average delay of customer
Passenger delay