英语翻译高速铁路是指运行速度 200km/h以上的铁路,它以快捷、舒适、高效越来越受到人们的欢迎.1964年10月,日本

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英语翻译
高速铁路是指运行速度 200km/h以上的铁路,它以快捷、舒适、高效越来越受到人们的欢迎.1964年10月,日本在东海道新干线东京至大阪高速铁路以210公里/小时运行,法国在1981年修建第一条高速铁路(TGV东南线),高速铁路显示出旺盛的生命力.据统计,目前中国投入运营的高速铁路已达到6800多公里.中国已成为世界上高速铁路系统技术最全、集成能力最强、运营里程最长、运行速度最高、在建规模最大的国家.
本文主要研究为满足施工要求CP控制网的网形布设、施测方法,研究为满足施工要求对CP控制网定位精度及CP控制网点位相对中误差及可重复测量误差精度控制指标,从而明确CP控制网点位的误差,最终为满足无砟轨道施工对平顺性要求提供测量保障.
1个回答 分类:综合 2014-09-24

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High-speed railway is the speed 200km / h over the railway,it fast,comfortable,efficient and more and more popular.October 1964,Japan Tokaido Shinkansen high-speed railway between Tokyo and Osaka to 210 km / h run,the French built in 1981,the first high-speed railway (TGV Southeast Line),high-speed railway show vitality.According to statistics,China's high-speed railway in operation has reached more than 6800 km.China has become the world's most complete high-speed rail system technology,integrated the strongest,longest operating mileage,maximum speed,the largest country in the building.
This paper studies the construction requirements to meet the net-shaped CP control network layout,sampling methods,research to meet the construction requirements for positioning accuracy and control network CP CP Control Network relative error and precision control and repeatable indicators of measurement error,which clearly CP Control Network error,and ultimately to meet the construction Ballastless measurement of smoothness required protection.
 
 
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