II级 | III级 | IV级 | V级 |
0.67~0.50 | 0.50~0.33 | 0.33~0.16 | 0.16~0 |
0.90~0.75 | 0.75~0.50 | 0.50~0.25 | 0.25~0 |
0.40~0.15 | 0.15~0.10 | 0.10~0.05 | 0.05~0 |
0.64~0.45 | 0.45~0.27 | 0.27~0.09 | 0.09~0 |
0.78~0.43 | 0.43~0.28 | 0.28~0.14 | 0.14~0 |
0.64~0.50 | 0.50~0.29 | 0.29~0.20 | 0.20~0 |