This paper defines a new transformation of modules, discusses some of its basic characteristics, and proposes a modular isomorphic theorem of the ringtransformation caused by induced functors.
According to this ring and mapping direction we classify the mapping transformation into two sorts: forward algorithm and reverse algorithm.
依据映射的变换方向不同，论文提出了非均匀映射实现的两类算法：正向算法与反向算法。
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In the transformation and optimization of ring cooler, the air leakage ratio is an important index for the design department and quality technology department.