将地理信息系统应用于城市突发性的大气污染事故，对大气扩散模型的图形技术进行开发研究。
GIS is applied to air pollution emergency in urban areas. The figured technology of atmosphere diffusion model is studied.
将地理信息系统应用于城市突发性的大气污染事故，对大气扩散模型的图形技术进行开发研究。
GIS is applied to air pollution emergency in urban areas. The figured technology of atmosphere diffusion model is studied.
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