在波峰与波谷重合之处，总振幅实际上为零。
Where a trough and crest coincide we get the total amplitude zero.
它的长度表示她跑了多远，波峰与波谷反映了她的速度。
Its length shows how far she's gone, and the peaks and valleys reflect her speed.
基于波峰、波谷的支配与从属关系，对具有自嵌套结构的波形提出了一种特征层次树描述方法，并建立了相应的波形分类系统。
An approach to the hierarchical representation of self-embedded waveform by a feature tree based on peak dominance relations is proposed and a waveform parsing system is described.
基于波峰、波谷的支配与从属关系，对具有自嵌套结构的波形提出了一种特征层次树描述方法，并建立了相应的波形分类系统。
An approach to the hierarchical representation of self-embedded waveform by a feature tree based on peak dominance relations is proposed and a waveform parsing system is described.
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