应该大力加强社会主义经济建设史的研究兰友仁领导全国各族人民进行社会主义革命和建设、经过曲折道路而取得伟大成就和胜利，是一部中共党史的重要内容。我们学习和研究党史，不是为了留恋过去，也不是为了满足现状找理由，而是为了追寻历史的足迹研究客观规律，服务于现... The Study on the History of the Socialist Economic Construction Should Be Steadily Lanyouren led the people of all ethnic groups across the country in carrying out the socialist revolution and construction and achieved great successes and triumphs through the tortuous path. This is an important part of the CPC history. We study and study the history of the party, not to nostalgia for the past, nor to find the reasons for the status quo, but to pursue the historical footprints of objective laws to serve the present ...