20年来，我们党在领导改革开放和社会主义现代化建设中积累的主要历史经验是：一、必须坚持党的马克思主义的思想路线。二、必须全面、正确、积极地贯彻执行党在社会主义初级阶段的基本路线。三、必须把集中力量发展社会生产力摆在首要地位。四、必须坚定不移地推进改革开放。 Over the past 20 years, the major historical experiences accumulated by our party in leading the reform and opening up as well as the socialist modernization are: First, we must uphold the party’s ideological line of Marxism. Second, we must comprehensively, correctly and actively implement the party’s basic line in the primary stage of socialism. Third, we must concentrate on the development of social productive forces in the first place. Fourth, we must unswervingly promote reform and opening up.