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 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 traditional construction of traverse is singly closed traverses, it limits very bigly to construction control and polygonometry.
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