Development of underground space is of great importance for the urban Renaissance in the future.
地下空间的开发对未来城市复兴是非常重要的。
Modern urban business district is the key area of underground space development and utilization.
现代城市商务区是城市地下空间开发利用的重点地区。
The urban highway tunnel is a component of urban underground space development .
城市公路隧道是城市开发地下空间的组成部分。
21 centuries is mankind development and make use of the underground space of century.
21世纪是人类开发和利用地下空间的世纪。
21 centuries is mankind development and make use of the underground space of century.
21世纪是人类开发和利用地下空间的世纪。
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