宋等人发现黑洞有极低的切变黏度，比任何已知的流体还低。
They found that black holes have an extremely low shear viscosity - smaller than any known fluid.
粘滞度是血流最重要的性质之一，血液是非牛顿流体，血液的粘度随着切变率的变化而变化。
The viscosity is one of the most important flow properties of blood, the blood is a non-Newtonian fluid. the viscosity of blood is change with the shear rate changes.
研究结果表明：蜡质玉米淀粉糊具有假塑性流体的特征，属“剪切变稀”体系。
The experimental results obtained revealed that waxy maize starch paste with pseudoplastic characteristics could be considered as a shear-thinning system.
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