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分析了狭缝口型中的一维复合共挤出流动，叠代计算得到两相界面位置以及速度、剪切速率和切应力的分布。
The interface between two molten polymers, as well as the distribution of flow rate, shear rate and shear stress were obtained by using an iterative calculating scheme .
本文研究了两种类型的二维横向剪切干涉仪：正交剪切棱镜型和网格光栅型。
Two types of two dimensional lateral shearing interferometers have been studied: orthogonal shearing prism and crossed grating.
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