这样，可以检核闭合导线测量的粗差和提高它的精度。
Like this, it can check the mistake and increase its precision of closed traverse's measure.
多边形的自动搜索是GIS空间分析的基本算法之一，同时也在地籍拆宗、导线网闭合环的闭合差计算等领域有着重要的作用。
Automatic searching polygon is one of essential algorithm in GIS spatial analysis and important used in cadastral treatment and closing error of traverse network calculation.
否则，应从一已知点出发测至另一已知点以资校核，此时其闭合差应与导线边长成正比反符号进行分配。
Otherwise, it should be checked from one known point to another with proportional anti-symbol allocation between closing error and the length of side.
否则，应从一已知点出发测至另一已知点以资校核，此时其闭合差应与导线边长成正比反符号进行分配。
Otherwise, it should be checked from one known point to another with proportional anti-symbol allocation between closing error and the length of side.
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