采样次数

a1

a2

a3

b1

b2

b3

c1

c2

c3

均值

1

25.6

26.7

25.4

23.0

22.4

26.1

23.4

23.8

22.2

24.3

2

23.5

21.7

22.3

23.4

24.6

22.3

23.0

25.0

25.1

23.4

3

31.7

32.5

31.8

29.7

30.7

34.8

34.7

28.7

30.1

31.6

4

19.1

19.5

19.5

16.8

18.5

18.8

18.3

18.2

18.2

18.5