结果表明流动非定常性产生额外损失，滞回现象存在于叶轮机中。

The results indicate that the flow unsteadiness bring out extra losses, and time lag phenomena are evident in many circumstances.

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在以前的实验中，首次发现了基片调谐偏压的跳变、双稳回滞现象，并且对此进行了详细的研究。

Not long ago, a new phenomenon that there was bistate, jumped delay in tuned substrate self-bias was found for the first time in an experiment, and researched in detail.

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回滞现象广泛地存在于许多机械控制领域。

Hysteresis widely exits in many mechanical control fields.

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