MAIN OUTCOME MEASURES: wave expressing rate and wave type.
主要观察指标:各波出波率及波形。
Question 18. What is the most destructive type of seismic wave?
问题18地震波中破坏力最强的波形是什么?
What is the most destructive type of seismic wave?
问题18地震波中破坏力最强的波形是什么?
Permanent magnet square-wave motor is a new type electrical machine.
永磁方波电机是一种新型电机,其气隙磁场设计成方波。
Permanent magnet square-wave motor is a new type electrical machine.
永磁方波电机是一种新型电机,其气隙磁场设计成方波。
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