Digital Underground

Research on Data Organization of Integrated Platform for Digital Underground Space

数字地下空间基础平台数据组织方式研究及应用

Study on conditions and techniques of digital underground fluid observation

地下流体数字化观测条件和技术研究

The ability analysis about Fujian digital underground hydro network reflecting remote earthquakes

福建数字地下流体网对远处大震映震能力分析

Data from different sources with different structure put forward great challenges for data organization of digital underground space integrated platform .

海量多源、多维、异构数据对数字地下空间基础平台的数据组织提出了挑战。

Digital underground spatial indexing QR-tree based on XML

基于XML的数字地下空间索引QR树研究

Among various techniques of digital underground space and engineering science ( DUSES ), modeling is absolutely the most important one .

在城市地下空间数字化的诸多技术中，对象建模是其中最为关键的一项。

Digital underground pipeline information plays great role in instituting feasible , technology advance and economic rational scheme of city planning , designing and management .

数字化的地下管线信息在制定切实可行、技术先进和经济合理的城市规划设计与管理方案中有着重要的作用。

Research objective is to provide software platform of integrative field surveying and mapping in order to establish information database of digital underground pipeline , and it meets the demand of digital city .

研究目的是为建立数字化地下管线信息库提供野外测量数字成图一体化工作模式的软件平台，满足数字城市建设的需要。

The article took digital underground pipeline detection project in a oil field in west of our country as an example , discussing primarily and testing underground pipeline detection method and technology in certain particular circumstance .

以西部某油田地面工程数字化的地下管线探测工程为例，初步探讨、试验在油田特定环境中探测地下管线的方法和技术。

Research of gas-water separation device for gas digital observation of underground fluid

气体数字化观测气水分离装置研究

It is an urgent requirement and inevitable trend to conduct digital research for underground military information project development . It is also a very complex and novelty subject .

开展数字化研究是地下国防工程信息化发展的迫切需求和必然趋势，也是一个十分复杂和庞大的前沿课题。

After this the author drafted the total plan of digital campus 's underground pipes , and got the conception model and data structure pattern of it by analyzing its feature and chose the system 's running pattern .

接下来，从软件工程的角度，制定了数字校园地下管网的总体规划、系统分析，分析了管网特点、功能构成，抽象出数字校园地下管网的概念模型及数据结构模式，选择了系统的运行模式。

Actuality of digital observation of earthquake underground fluid in China

我国地震地下流体数字化观测的现状

So digital management of city underground pipeline is a indispensable part of modern city management .

所以数字化的城市地下管线管理是现代化城市管理的不可或缺的组成部分。

The mine MF inductive communication system is analysed and studied , and a new type of MF digital inductive communication system underground is proposed in this paper .

分析与研究矿井中频感应通信系统，并提出了一种新型的矿井中频数字感应通信系统。

Following the problem with the digital controller of the underground loop of the works ' imported Φ 114mm welded-pipe line that counting deviation occurred in the reciprocating vibration of the strip , the author analyses working theory of the said counter .

针对该厂引进的Φ114mm焊管生产线地下活套在带钢往复振荡运行中，数字控制器发生计数偏差问题，分析了计数器的工作原理。