The research results can provide reference for the selection of the investment and financing mode of the underground utility tunnel.

研究成果能够为地下综合管廊投融资模式选择提供借鉴。

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Then after four main investment & financing modes were analyzed in detail, the evolution law and selection principle of the urban rail transit investment & financing modes were concluded in the paper.

在系统分析轨道交通四种主要投融资模式类型基础上，总结了城市轨道交通投融资模式演变规律及选择原则；

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Then after four main investment & financing modes were analyzed in detail, the evolution law and selection principle of the urban rail transit investment & financing modes were concluded in the paper.

在系统分析轨道交通四种主要投融资模式类型基础上，总结了城市轨道交通投融资模式演变规律及选择原则；

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