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我国在隧道及地下工程方面已经取得快速发展和举世瞩目的成就,并成为世界上隧道数目居多、建设规模最大、发展速度最快的国家,而城市轨道交通也开始进入一个快速发展的新时期。
China has achieved rapid development and world-renowned achievements in tunnels and underground engineering. It has become the country with the largest number of tunnels, the largest construction scale and the fastest growth rate in the world, and urban rail transit has begun to enter a new period of rapid development.