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如所周知，任意右乘法模是拓扑模。
It is well known that any right multiplication module is top.
youdao
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如所周知，研究此类差异问题常用的方法是对偶方法。
The duality method is used usually in the study of the optimal problem.
youdao
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如所周知，研究此类差异问题常用的方法是对偶方法。
The duality method is used usually in the study of the optimal problem.
youdao