对铁路选线工程数据库管理系统的体系结构的实现方法进行了比较分析，最后决定该系统应采用多数据库系统结构。
The structure of railway location engineering database management system was discussed in the dissertation . And a structure of Multiple Database System was applied to this system.
“铁路选线工程数据库管理系统”作为“虚拟环境铁路选线设计系统”的一个子系统，既是它的信息储存基地，又是它的信息处理工具。
As an important part of virtual environment railway location design system, railway location engineering database management system is base of storing information and tool of dealing with information.
在新建高速铁路的过程中，首先要解决的是选线设计和闭塞分区的设计，列车牵引计算是划分自动闭塞分区的基础。
In the progress of constructed high speed railway the design of choosing lines and the design of automatic block section are the first and most things.
简要介绍铁路经过滞、分洪区这一特殊水文环境的选线特点、原则和方法。
A brief introduction is given to characteristics, principles, and method of route selection in flood detention and diversion area.
文章还分别对铁路、水电工程选址、公路、油气管道选线以及电力工程勘测中遥感技术应用简况进行了介绍。
Furthermore, relevant case studies are presented, covering engineering siting for hydro and electric power, route selections for railway, highway, oil and gas pipeline.
提出构筑东南亚铁路网的选线方案、修建程序及远景展望。
The route selection schemes, the construction procedure and the future prospects for constructing the railway network in Southeast Asia are also proposed.
并综述了铁路噪声选线设计方面的研究进展，并还深入探讨了铁路噪声的产生机理、降噪技术方法与各种声屏障的设计使用。
The design of noise environmental effect was analysed, and the railroad noise affecting factors, the denoising technical method and sound barrier designing were discussed.
结合虚拟环境选线系统中的应用要求，探讨了铁路构造物三维模型库的访问、再现和利用技术。
Combining with the applied request of Virtual Environment railway Location System, the technique of inquiring, reappearing and using of the railway structure 3d model base is researched.
结合虚拟环境选线系统中的应用要求，探讨了铁路构造物三维模型库的访问、再现和利用技术。
Combining with the applied request of Virtual Environment railway Location System, the technique of inquiring, reappearing and using of the railway structure 3d model base is researched.
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