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。
The results show that the ion beam has an important influence upon the parametric instability excitation in plasma systems.
利用激光激发声表面波及改进的光差分检测技术，研究沉积在基片表面的薄膜样品的特性和参量。
A laser generation and modified optical difference detection method of SAW for studying the characters of thin films deposited on substrates is introduced.
利用激光激发声表面波及改进的光差分检测技术，研究沉积在基片表面的薄膜样品的特性和参量。
A laser generation and modified optical difference detection method of SAW for studying the characters of thin films deposited on substrates is introduced.
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