北京地下铁道
- 网络Beijing Underground
北京地下铁道-
北京地下铁道的行车指挥自动化系统
Traffic control automation system of Beijing underground railways
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本文概述北京地下铁道行车指挥自动化系统。
A general description on the traffic control automation system of Beijing underground railways is given in this paper .
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北京地下铁道列车空气阻力实验报告
The Experimental Report of Air Resistance in Beijing 's Subway Trains
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本文由地下水中上层滞水的基本概念谈起，总结北京地区修建地下铁道和基坑施工时，常常遇到的上层滞水问题，以及近期施工中取得的一些主要经验和认识。
Starting with the basic concept of stagnant water in the upper and middle layers , this paper presents a summary of the problem often encountered in the construction of subways and galleries in the Beijing area .