据DaratechInc一家市场研究和技术评估公司的预测 ,2 0 0 3年GIS软件和服务的收入将达 17.5亿美元 ,比前一年增长 8%。被调查统计的部门包括公共部门和私营企业 ,其中来自公共事业部门像电信、交通、教育的收入占市场的 5 0 %强 ,公共事业部门是GIS软件的最大市场。来自政府用 According to a forecast by DaratechInc, a market research and technology assessment firm, revenue from GIS software and services will reach 1.75 billion U.S. dollars in 2003, an increase of 8% over the previous year. The departments under investigation include the public sector and the private sector. Among them, revenue from public utilities such as telecommunications, transportation and education accounts for 50% of the market. The public utilities sector is the largest market for GIS software. From the government