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地下空间的开发利用是多方面的,已渗透到人类生活的各个领域,形成了功能广泛的工程系统和科学体系,并发展成为对国民经济发展具有重要意义的产业部门。目前从城市地下空间利用的现状看,主要发展重点在联络城市各处设施的地下通道,如地下商业街、地下联络通道和城市有轨交通系统(地铁和轻轨)。除了这些地下交通设施之外,城市交通是否必要考虑快速地下公路网呢？
The development and utilization of underground space are various and have infiltrated various fields of human life and formed a wide range of engineering systems and scientific systems with functions. They have also developed into industries that are of great significance to the development of the national economy. Currently, from the status quo of the utilization of urban underground space, the major development focuses on underground access to facilities throughout the city, such as underground shopping streets, underground communication links and urban rail transit systems (subway and light rail). In addition to these underground transport facilities, is it necessary to consider the rapid underground network in urban traffic?