The results show that the ion beam has an important influence upon the parametric instability excitation in plasma systems.
结果表明：离子束对等离子体中参量不稳定性的激发有极重要的影响。
This paper studied the effects of uniform magnetic field on the parametric instability of jet with pulsating basic velocity.
该文研究了均匀轴向磁场对含脉动速度射流参数稳定性的影响。
Parametric instability or resonance is more dangerous than ordinary resonance as it is characterized by exponential growth of the response amplitudes even in the presence of damping.
参数不稳定或共振比普通共鸣，因为它是由具有危险反应指数增长幅度甚至在阻尼的存在。
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