纺丝原液粘度随着温度、剪切速率的增大而降低，过了临界切变速率后粘度会急剧下降，但在低剪切速率区粘度基本不变。
The viscosity dropped with the increase of temperature and shearing rate and decreased drastically over critical shearing rate, but remained almost unchanged at lower shearing rates.
最后，本文以实例分析讨论了横向剪切变形、开孔大小、线布载荷位置和几何参数对临界载荷的影响。
Finally, some examples are given to show the effect of shearing deformation, the hole size, the position of linear load and the geometrical parameter on the critical load.
数值算例表明，对于复合材料旋转壳，横向剪切变形使其临界载荷降低；
The examples show that the critical load of composite shells of revolution will decrease when considering the transverse shear deformation.
平行切变流的临界层一般分为三类：粘性临界层、非线性临界层和非定常临界层。
The critical layers of waves in parallel shear flow are generally classified into three kinds: viscosity critical layer, nonlinear critical layer, and non-steady critical layer.
平行切变流的临界层一般分为三类：粘性临界层、非线性临界层和非定常临界层。
The critical layers of waves in parallel shear flow are generally classified into three kinds: viscosity critical layer, nonlinear critical layer, and non-steady critical layer.
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