我国的第一产业是农业;第二产业是工业,其它各业为第三产业。1988年,我国著名科学家钱学森把信息称为“第四产业”。改革开放以来,我国的“第四产业”呈现出令人振奋的发展趋势。目前,我国有信息机构4800多家,信息大军10万余人,国际联机检索终端102个,遍布26个省市自治区的47个城市。全国已初步形成大、中、小型计算机和微 China’s primary industry is agriculture; the secondary industry is industry, and the other industries are the tertiary industry. In 1988, Qian Xuesen, a famous scientist in our country, called the information “the fourth industry.” Since the reform and opening up, China’s “fourth industry” has shown an exciting development trend. At present, there are more than 4,800 information agencies, over 100,000 information troops, 102 online search terminals in 47 cities in 26 provinces and autonomous regions. The country has initially formed large, medium and small computers and micro