城市地下管线信息的动态增加、变更、废弃等导致了地下管线信息管理与信息系统开发的复杂性与难度。

The dynamic increase, alteration and disuse of urban underground pipeline information result in the difficulty and complexity of its management and development.

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并归纳总结了在与地下管线相关的GIS系统开发中的一些共同特点，提出了一个城市地下管线地理信息系统的通用技术路线。

Besides, common features of GIS development related with underground pipelines is summed up, and an universal model of urban underground pipelines GIS is put forward.

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