18

3.74

54.6

14.2

2.8

47.5

22.4

412.1

4.64

176.3

7.68

67.3

1.89

19

4.45

47.4

12.1

11.9

40.7

80.8

436.6

17.4

206.2

27.2

93.4

7.45

20

4.67

57.4

15.6

3.9

50.4

38.1

462.1

7.15

189.1

10.9

72.6

3.16

21

4.61

63.6

16.6

3.7

52.3

37.1

558.8

8.21

153.0

11.1

73.5

2.35

22

4.25

64.8

17.4

7.9

50.3

52.7

662.8

11.1

221.1

18.9

88.4

5.67

23

4.98

61.9

17.7

5.9

53.3

57.3

587.5

11.3

155.3

14.8

68.7

4.01

24

2.26

58.5

17.5

4.4

43.4

58.9

592.2

11.5

196.7

11.1

69.8

4.18

25

18.18

63.9

25.4

5.4

52.3

98.2

551.2

24.7

182.2

16.2

70.1

7.67

26

4.45

43.7

8.21

4.5

48.6

67.5

417.2

11.9

202.8

11.3

67.0

7.94

27

4.90

175.2

40.4

3.0

564.7

24.3

249.8

5.04

154.0

8.86

74.8

2.83

28

4.19

94.1

19.7

12.9

61.2

75.8

444.2

14.1

192.0

25.4

100.2

8.38

29

4.16

71.7

21.2

3.6

67.6

31.1

607.7

6.17

139.8

9.91

75.1

1.55

30

1.78

34.2

8.31

10.2

43.9

64.7

307.5

12.8

203.5

22.1

95.1

6.08

31

5.87

47.4

10.7

8.9

93.8

56.3

657.9

7.5

179.4

13.7

86.3

4.58

均值

4.19

58.1

15.2

8.7

65.8

76.6

558.3

14.7

191.7

20.5

83.7

7.11

文献

3.67

74.6

47.3

15.3

79.7

88.7

652.5

13.8

201.8

23.4

108.8

12.5