编号

茎杆直径(cm)

横截面积(mm²)

短轴

长轴

扁率

人工测量直径

激光扫描面积S1

人工测量面积S2

相对误差

1

7.8

12.5

0.376

10.3

75.41

83.32

10.50%

2

11.7

15.3

0.234

14.7

130.11

169.72

30.40%

3

7.8

10.6

0.264

9.0

55.63

63.62

14.40%

4

16.5

17.2

0.041

17.2

210.22

232.35

10.60%

5

14.0

17.5

0.200

14.6

189.45

167.42

11.70%

6

13.5

16.6

0.187

13.9

171.40

151.75

11.50%

7

12.9

17.0

0.241

15.3

170.75

183.85

7.70%

8

9.0

14.7

0.388

12.4

106.27

120.76

13.90%

9

9.2

12.2

0.246

12.1

88.36

114.99

30.40%

10

7.6

9.8

0.229

9.8

53.79

75.43

40.20%

11

9.7

13.0

0.254

11.8

95.12

109.36

14.90%

12

9.1

12.8

0.289

11.9

84.96

111.22

31.50%

平均值

18.98%