The Development of urban Underground Space is an important content of modern urban construction and management.
城市地下空间开发利用是现代城市建设和管理的重要内容。
With the acceleration of urbanization, problems of urban construction and management become increasingly serious.
随着城市化进程的急剧加速，城市管理和建设的难题日益严峻起来。
They are the original, authentic records of history, important bases for urban construction and management, and information resources.
它是历史的原始真实记录，是城市建设和管理的重要依据及信息资源。
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