目的观察经皮腔内冠状动脉介入治疗（PCI）后T波振幅的变化规律。
Objective To investigate the change tendency of amplitude of T-wave after percutaneous coronary intervention(PCI).
本文采用理论分析和符号运算相结合的方法研究有限深分层流体有限振幅内孤立波。
The finite amplitude solitary waves in stratified fluids of finite depth, in which the density varies with depth in lower layer but keeps uniform in upper layer, are investigated.
在这类强迫方程的源项中包含了10类内波谱，这些谱最终均可利用内波的振幅谱表示。
There exist 10 spectra in the source terms of the nonlinear spectra equation, and all the unknown spectrum can be denoted in terms of the amplitude spectrum.
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