The AHP (1-9 Value Scale) Level Method to Analyze the Development of Logistics under the Perspective of Low-Carbon Environmental Protection: Taking Shandong Province, China, as an Example

Table 2

Corresponding meaning of 1-9 value scale.

Scaling	Meaning
1	Same importance of indicators
3	Compared with the index, the former is slightly more important than the latter
5	Compared with the index, the former is obviously more important than the latter
7	The index is very important compared to the former than the latter
9	The index is extremely important compared to the former than the latter
2, 4, 6, 8	Importance is in the middle
Reciprocal	The ratio of the former to the latter and the latter to the former is the reciprocal of each other