（一）俄国十月革命爆发后，苏维埃政权没有立即得到中华民国北京政府的承认，时隔六年半后两国才正式建交。但是，两国间的非正常关系并没有割断它们间传统的经济联系．我国东北与俄国远东的经贸往来就在这时期得到了恢复和发展，为两国关系正常化创造了条件．研究这一段历史 (1) After the outbreak of the October Revolution in Russia, the Soviet regime was not immediately recognized by the Beijing government of the Republic of China. After two and a half years, the two countries formally established diplomatic ties. However, the abnormal relations between the two countries have not cut off their traditional economic relations. The economic and trade exchanges between Northeast China and Russia’s Far East have been restored and developed during this period, creating conditions for the normalization of relations between the two countries. Study this history