首先，根据面向对象的思想，划分地下管线系统层次，理清管线系统数据间的关系，并对管线系统的数据进行分层渲染；
First, with object-oriented thought, we divide the underground pipeline system level to clarify the pipe system hierarchy and rend different level category pipeline data.
介绍了地下管线内损伤电视检测系统的基本结构、工作原理、主要技术参数及其现场试验情况。
This article introduced the basic structure, principle, major technical parameters and the field test situation of the television detecting system of inner damages of underground pipeline.
介绍了合肥测绘设计研究院利用GIS技术建立合肥市地下管线信息系统中的一些技术方法和经验。
This paper gives a brief introduction to the GIS technique and methods we adopted in establishing the underground pipeline information system of the city of Hefei.
作者在ARC/INFO（NT版）平台上开发了监理入库模块进行生产应用，并在文中对南京市地下管线数据库的建立进行了系统的阐述。
The supervising inputting model is developed on the ARC/INFO (win NT)platform and is applied in practice, the building of underground pipe database of Nanjing city is mentioned systematically.
因此需要建立一个统一的城市地下管线可视化信息管理系统来解决上述问题。
Therefore, we need for a unified visualization of urban underground pipeline information management system to address the above issues.
这个地热传导暖气系统可以提供暖器达到温度摄氏40度到5 0度之间，透过地下管线的热水来供应暖气(图4)。
The heating system and can be heat to provide heaters to 4 degrees centigrade temperature to 5 0 0 degree the underground pipelines, through the water to supply heating (figure 4).
竣工测量在地下管线信息系统中有重要作用。
Finish Constructive Survey plays an important role in the information system of underground pipeline.
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.
说明了兰州市地下管线规划管理信息系统的总体结构；
The disign of the database and the overall structure of underground lines and their program management system are briefly introduced.
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.
本文根据石狮市城市规划建设现状，探讨地下管线普查和采集的方法，提出建立地下管线信息系统等有关问题。
We have researched on spatial analysis of pipeline information system based on MapInfo in order to add up spatial analysis of network to MapInfo.
介绍了地下管线信息系统的研究背景，设计了一个地下管线动态元数据库模型，讨论了元数据的存储、管理、录入、检索等技术问题。
This paper introduces the development environment and overall design of the groundwater information management database system of the main stem area of the Second Songhua River.
介绍了地下管线信息系统的研究背景，设计了一个地下管线动态元数据库模型，讨论了元数据的存储、管理、录入、检索等技术问题。
This paper introduces the development environment and overall design of the groundwater information management database system of the main stem area of the Second Songhua River.
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