改革开放20年来，我国的经济运行情况发生了重大变化。在经沉运行机制上，社会王义币场经济体制的是不框架已经初步形成，市场机制已经取代计划机制发挥对资源配置的是础性作用。在经研运行结构上，产业结闷、所有制结构、技术结构、对外经济结构、地区发展结构、收入分配结构 Since the reform and opening up two decades ago, major changes have taken place in the economic operation of our country. In the mechanism of economic operation by Shen, the framework of the economic system of the righteousness of the community is not yet framed and the market mechanism has replaced the planning mechanism to play a fundamental role in allocating resources. In the structure of research and operation, industrial knot boring, ownership structure, technological structure, foreign economic structure, regional development structure, income distribution structure