Evaluation Model of Cable Insulation Life Based on Improved Fuzzy Analytic Hierarchy Process

Table 1

Analytic hierarchy process importance index.

Index value	Indicator meaning (compare two indicators)
1	Have the same importance
3	The former is slightly more important than the latter
5	The former is fairly more important than the latter
7	The former is especially more important than the latter
9	The former is extremely more important than the latter
2, 4, 6, 8	The intermediate value of the above adjacent odd judgment
Reciprocal	The reciprocal of the above index indicates the importance of the latter to the former