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城市地下空间的开发利用是解决城市人口膨胀与土地资源紧缺矛盾的有效途径，是城市社会经济发展的必然趋势，我们即将面临的２１世纪，必将是城市地下空间大发展的世纪。城市地下空间的开发利用首先要解决好防灾安全问题，地下空间无论在战时防御常规武器和核武器袭击毁伤...
The development and utilization of urban underground space is an effective way to resolve the contradiction between the expansion of urban population and the scarcity of land resources. It is an inevitable trend of urban social and economic development. The 21st century we are about to face is bound to be the century for the development of urban underground space. The development and utilization of urban underground space must first of all solve the problem of disaster prevention and safety. The underground space will protect against conventional weapons and nuclear weapons during the war.