边长D X Y VX VY X Y 计算: 2、导线相对闭合差: f=√(-0.026) 2+0.028 2 =0.038 1、坐标增量闭合差: fx=25983.253-25983.276=-0.026 结论:K=0.038÷(228.401+179.879+437.351+31.678)=(1/23087)<(1/10000) DX2 ZD1 ZD2 ZD3 DX2 +7 -7 +5 -6 +13 31.678 ΣD=877.309 17865.702 17746.750 18046.275 18017.384 25812.493 25677.560 25996.246 25983