在我国经济经过了卖方市场、短缺经济的历史阶段之后,多年积累的国民经济结构性矛盾得到充分暴露。要实现经济持续发展,加速经济结构调整是关键。党的十五大提出了“改善和调整所有制结构”、“公有制实现形式可以而且应该多样化”和“不以比例高低论国有经济的主导地位”等一系列重大理论突破。这为经济结构调整提供了重要的理论依 After China’s economy passed the historical stage of the seller’s market and the economy of shortage, the structural contradictions in the national economy accumulated over the years were fully exposed. To achieve sustained economic development, accelerating economic restructuring is the key issue. The 15th CPC National Congress proposed a series of major theoretical breakthroughs such as “improving and adjusting the ownership structure”, “the public ownership can and should diversify its forms”, and “not dominating the dominant position of state-owned economy on a proportional basis.” This provides an important theoretical basis for economic restructuring