表2统计

log(L_3.6)

n= 24

log(L_4.5)

n= 22

log(L_g)

n = 20

log(L_gn)

n= 20

log(L_r)

n= 23

log(L_rn)

n= 23

$\log \overline{L}$

10.3423

10.1367

10.1126

10.0628

10.2465

10.1774

σ²L

4.426e−4

6.255e−3

1.056e−1

9.535e−2

6.617e−2

6.031e−2

σL

2.104e−2

7.909e−2

3.250e−1

3.088e−1

2.572e−1

2.456e−1