一般说来，这些材料不显示磁滞现象。

As a rule these materials do not show hysteresis.

youdao

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.

youdao

这种时滞现象很难解释，但可能有三个原因。

This time-lag is difficult to explain, but there are three.

youdao