The traditional construction of traverse is singly closed traverses, it limits very bigly to construction control and polygonometry.
传统的导线布设形式为单一附和导线，对施工控制和复测导线限制很大。
The traverse net is one of the main method of seting up horizontal control nets.
导线网是建立平面控制网的主要方法之一。
The function of astronomical leveling in height survey of position traverse control network is introduced.
简要介绍了天文水准在阵地导线网高程测量中的作用。
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