Certain hydronamical systems exhibIt'steady - state flow patterns , while others oscillate in a regular periodic fashion.

某些水动力学系统存在着稳定状态的流型, 另一些则以某种规则的周期作往复运动.

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And with increasing strain rate, the steady state flow characteristics appear, showing dynamic recovery.

随着应变速率增加, 合金的流变应力呈现稳态, 表现出动态回复特征.

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