这类板的横向剪切变形效应必须予以考虑，因而层板不同层的表面法线的转角是不同的。
The effect of transverse shear deformation is considered and Angle of rotation of surface normal for each layer is different.
简要介绍等通道转角挤压法(ECAE)的基本原理及通过该方法得到的有效应变量的主要影响因素。
The mechanism of Equal Channel Angular Extrusion (ECAE) is briefly introduced, the influential factors on effect strain obtained by severe plastic deformation are also presented.
用表面磁光克尔效应测量铁磁材料的磁滞回线，并求得在饱和状态下的克尔旋转角。
Hysteresis loop of ferromagnetic materials are measured by using surface magneto-optic Kerr effect, and the Kerr rotation Angle is obtained.
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