Taking the gis built for a telecom company and another for a water supply company as the engineering background , this paper summarized some common characteristics in the development of gis concerning the underground pipelines and brought forward a universal model of city underground pipelines gis 本文以分别为某大城市电信公司和另一城市自来水公司建立的两个地理信息系统为工程背景，归纳总结了在与地下管网相关的gis系统开发中的一些共同特点，提出了一个城市地下管网地理信息系统的通用模型。
Aiming at the specific features of enterprises in this field this system adopted the client / server mode to realize users visual management attribute by constructing background database to store relative attribute data and building foreground graphic interface which interactive between users and computers to realizing the function mapping and managing data 整个系统针对地下管网各个行业的特性,采用客户断/服务器模式,通过建立后台数据库存储相关属性数据和搭建前台人机图形交互界面实现基本的地图功能和相关数据的管理功能,最终实现帮助用户对相关信息进行可视化管理的目的。
This dissertation furthers investigate a regional lmmcs formed of scene and middle level emphatically . on the basis of enhanced m - bus and zero power technological , the paper developed corresponding software and hardware products , and took a series of non - electromagnetism interfere ways and the dependability design . put up the platform to simulate spot environment , and carry on the overall experiment to verify : every technical indicator and performance index of long distance multi - point monitoring and controlling system can be satisfied , and the system has very high theory value and practical value 本文重点介绍了长距离多点监控系统在地下管网中的应用实例，对由设备层利控制层构成的地下管网监控系统进行了深入研究和分析设计，基于自主研发的增强型m - bus总线和零功耗设计技术开发了相应的软硬件产品，采取了一系列抗电磁干扰措施及可靠性设计，并模拟现场环境搭建了平台，进行了全面的实验验证。
Some popularly concerned hot problems and fast developed techniques in present nondestructive testing field were introduced , such as on - line monitoring for pipe laying , gas pipeline and embedding pipes , inspection for the adhesive coating of composite material , imaging techniques and signal processing 摘要介绍当前无损检测领域几项快速发展的并受人普遍关注的热点问题和技术，如输油、输气管道和地下管网的在线监测、复合材料粘接层的检测、成像技术以及信号处理。
The thesis bring forward necessity of build under - pipe information system use the newest technology of gis - webgis based on webgis through analyze under - pipe in city and research the method of traditional management of under - pipe , and design geodatabase that may satisfy practical application of under - pipe through analyze the data of under - pipe and using technology of non - stitch integration 本文通过对城市地下管线的分析，通过研究传统的地下管线管理方法，并结合最新的gis技术一webgis提出了建立基于webgis的地下管线信息系统的必要性。并且通过对地下管管线数据的分析，利用空间数据与数据库无缝集成技术设计出了满足于实际应用的地下管线空间数据库。
Aiming at the specific features of enterprises in this field , this module adopted the client / server mode to realize users " visual management by constructing background database to store relative attribute data and building foreground graphic interface which is interactive between users and computers to realizing the function of mapping and managing data 整个模型针对地下管网各个行业的特性，采用客户断服务器模式，通过建立后台数据库存储相关属性数据和搭建前台人机图形交互界面实现基本的地图功能和相关数据的管理功能，最终实现帮助用户对相关信息进行可视化管理的目的。
The technology and method of no - dig horizontal directional drilling pipe paving can be systemic analysis and studying from theory and practice in this paper . the character is aimed at the problem of the no - dig horizontal directional drilling application , which can be analyzed deeply . from the point of view of engineering construction practice , how to improve security and construction quality of no - dig horizontal directional drilling in the under pipe paving , i . e . using no - dig horizontal directional drilling paving under pipe should be the basis of data collection , stratum analysis and pipe detecting , be theory basic of designing of directional tracking 本文从理论到实践对非开挖水平定向钻机地下管线铺设技术及方法进行了系统的分析和研究，特点是针对当前的非开挖水平定向钻进施工过程中在非开挖技术的应用方面存在的问题进行了较深入的分析，从工程实施的角度出发，着重论述了如何提高非开挖水平定向钻机在地下管线铺设中的安全性和施工质量，即采用非开挖定向钻机铺设地下管线应以前期的资料收集、地层分析及地下管网探测为前提和基础，以定向轨迹的设计和计算为理论依据。
