起终点

距离L (km)

往返不符值Δ

测量限差

偶然中误差mΔ

BMJ1~BMJ2

10.2

1.13

12.77

0.85

BMJ2~BMJ3

11.1

7.55

13.33

0.59

BMJ1~BMJ3

21.3

8.60

18.46

0.74