美国在科技的带动下，１１０多个月经济持续较快速发展，９万亿美元的国内生产总值，３％的年均增长率，经济实力稳坐发达国家的头把交椅。我国改革开放以来，经济发展取得了长足的进步和举世瞩目的成就，但由于我们起步晚，基础差，就国家的经济现状与美国相比差距还是相当大 Under the guidance of science and technology, the United States has enjoyed sustained and rapid economic growth of more than 110 months, its gross domestic product of 9 trillion U.S. dollars, its average annual growth rate of 3% and its economic strength firmly in the top spot in the developed countries. Since China started its reform and opening up, its economic development has made great strides and remarkable achievements. However, due to the late start of our operation and the poor foundation, the gap between the state of our economy and that of the United States is still quite large