它们一般出现在河流的拐弯处，湍急的水流在此会产生一种称为「旋转剪切(rotational shear)的力，使一大块冰与周围冰层分离，绕其旋转。冰盘旋转时，不断压迫周围的冰，慢慢形成一个完美的圆。
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rotational shear tectonic system 旋扭构造体系
rotational shear slide 旋转剪切滑动
rotational shear interferometer 旋转错位干涉仪
non-rotational shear structure system 直扭构造体系
The rotational dispersion coefficient of the fiber in the turbulent shear flow of fiber suspension was studied theoretically.
对纤维悬浮剪切湍流中纤维旋转扩散系数进行了理论研究。
S-C fabrics and asymmetric rotational augens in mylonite indicate sinistral shear and locally dextral shear.
组构和不对称旋转碎斑指示以左旋剪切为主。
The near wake flow fields are calculated by simultaneously solving the viscous shear layer and the inviscid rotational region.
本文采用联立求解粘性剪切层和有旋无粘区的方法计算了再入钝头体层流近尾流场。
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