In this paper, we introduce the concept of two opposite sided torsion theories onrings and characterize relative coherent rings with respect to two opposite sided torsion theor-eies.是什么意思_In this paper, we introduce the concept of two opposite sided torsion theories onrings and characterize relative coherent rings with respect to two opposite sided torsion theor-eies.在线翻译_英语_读音_用法_例句