GOOGLE PR值的计算方法

0/10

0.15 - 0.9
1/10

0.9 - 5.4
2/10

5.4 - 32.4
3/10

32.4 - 194.4
4/10

194.4 - 1,166.4
5/10

1,166.4 - 6,998.4
6/10

6,998.4 - 41,990.4
7/10

41,990.4 - 251,942.4
8/10

251,942.4 - 1,511,654.4
9/10

1,511,654.4 - 9,069,926.4
10/10

9,069,926.4 - 0.85 × N + 0.15