路面等级 |
几何平均值 |
几何平均值 |
A | 16 | 3.81 |
B | 64 | 7.61 |
C | 256 | 15.23 |
D | 1024 | 30.45 |
E | 4096 | 60.90 |
F | 16,385 | 121.80 |
G | 65,536 | 243.61 |
H | 262,144 | 487.22 |