针对旋风器内气流轴不对称问题，从结构上改单进口为双进口。
This thesis deals with the axial non symmetry of air flow in the cyclone, with change of single inlet to double inlet.
轴不对称联芳香化合物具有独特的立体化学性质，从七十年代以来受到有机化学家的重视。
Because of its unique stereochemical properties, the axially dissymmetric biaryls have been studied with great interesting since 1970s.
扼要介绍了三轴不对称卷板时，根据被卷钢材的几何参数、力学参数来计算卷制工艺参数。
This paper introduces the parameter calculation of plate bending with asymmetric three axles according to the geometric parameters and mechanical parameters of the steel to be rolled.
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