The rotational limit line was introduced to the rotational hardening law and a parameter b was added to the model to reflect the evolution of anisotropy.

所提出的方法将永磁材料包括局部回线在内的磁滞特性包含到数学模型中，在合理的假设下，考虑了计及磁滞效应的“旋转磁化”。

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Derechos are thunderstorms with damaging straight-line winds, as opposed to tornadoes, which are thunderstorms with a strong rotational component.

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So just to give you a few examples, the announcement that the President made in Darwin, Australia about the rotational deployment of U.S. Marines and the U.S. military in Australia is coming on line and is helping us deepen our partnership not just with Australia, but across the region.

WHITEHOUSE: The White House