一、具有伟大历史意义的阶段性变化 经过半个多世纪特别是改革开放以来的探索和实践,中国社会经济发生了具有伟大历史意义的阶段性变化。按照三步走实现现代化的战略构想,已经实现了头两步,开始向第三步战略目标迈进。新中国成立之初一穷二白、国力虚弱的状况,改革开放之前国民经济的严峻局面,已经 I. Phased Changes with Great Historical Significance After more than half a century of exploration and practice since the reform and opening up, the great changes of historical significance have taken place in China’s social economy. Following the three-pronged strategic vision of realizing modernization, we have already achieved the first two steps and begun to move toward the third-step strategic goal. At the beginning of the founding of New China, the state was poor and the state was weak. The severe situation of the national economy before the reform and opening up has been