从动力系统流的概念出发，给出了系统稳态周期解稳定度的数值计算方法。
A numeric method evaluating stability degree of periodic solution based on perturbing response data is introduced by the aid of the concept of dynamic systems or flows.
在离子温度梯度模（ITG）湍流背景中，通过最小自由度模型中模耦合方式产生带状流，对此模型做了动力学稳定性分析及数值求解。
The energy cascade process in the ITG mode turbulence and the relationship between Reynolds stress and zonal flow are also discussed.
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