正色散
The results show: both pulse width and bandwidth are widened in positive dispersion medium, but pulse width is getting more and more narrow along propagating direction in negative dispersion medium, which is a typical soliton pulse.
结果表明:在正色散介质中,脉宽及带宽均展宽,而在负色散介质中,脉冲沿传播方向越来越窄,表现为孤子效应。
Results: The QTc dispersion increased dramatically and there were arrythmia in 70% patients when exercise test was positive.
结果:次极量活动平板运动试验阳性者70例,其QTc离散度明显增大,而且70%出现心律失常。
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