The core is that 3d tunnel model is constructed by loading section on basis of 2d tunnel line, which are according to data of tunnel surveying.
该方法的核心是以巷道测量点数据为基础，通过在二维巷道线上加载断面的方法来自动构建三维巷道模型。
Also, the optimizing the tunnel design and the construction are according as the result of surveying of the tunnel contour.
同时，隧道断面测量的结果还是优化隧道设计和施工的重要依据。
Therefore surveying the tunnel cross section is the key for rebuilding the existing tunnels.
隧道横断面的测量就成为既有隧道改建的关键。
The through error of tunnel is estimated, some suggestions are given for traverse surveying inside tunnel.
同时对隧洞贯通误差进行了估计，对洞内导线测量提出了建议。
Mine surveying data is the basic information of 3d mine tunnel modeling.
矿山测量数据是矿山三维巷道计算机模拟的基础数据。
There are disparities between the standard drawing used in home and abroad after surveying and studying the actuality of the tunnel design.
通过调研国内外隧道设计现状发现，我国隧道设计中采用的标准图与国外相比存在差距。
So the surveying of tunnel contour is very impotent and meaning to the construction of tunnel.
隧道断面测量在隧道施工中是非常必要的，对隧道施工具有指导意义。
The ground stress surveying, rock mass deformation monitoring in Erlangshan tunnel, and study of the characteristics, influence factors of water outburst in Huayingshan tunnel are presented.
概述了二郎山隧道地应力场、岩爆及围岩变形的监测预报，并对华蓥山隧道岩溶涌突水的特征、原因及对隧道的影响进行了研究；
The ground stress surveying, rock mass deformation monitoring in Erlangshan tunnel, and study of the characteristics, influence factors of water outburst in Huayingshan tunnel are presented.
概述了二郎山隧道地应力场、岩爆及围岩变形的监测预报，并对华蓥山隧道岩溶涌突水的特征、原因及对隧道的影响进行了研究；
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