本文在稳态等离子体装置中，对离子声孤立子的激发、空间传播和马赫数等进行了研究。
The properties of ion-acoustic soliton such as its excitation, spatial evolution aad Mach number are studied on a stable plasma device.
从微观机制上分析推断：外加电场使非稳态等离子体中的电子作定向运动，加剧电子与原子之间的碰撞是上述结果的主要原因。
The collision between atoms and electrons moving in a definite direction with the additional static electric field is considered to be the primary reason for the result mentioned above.
当等离子体密度较高、注入电压较低时，稳态鞘层厚度对于靶体半径的变化极不敏感。
For a high plasma density and low applied voltage, the steady-state sheath thickness is more or less insensitive to variations in the spherical radius, but it is very sensitive under other conditions.
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