Table 1 1-9 Scaling method.

From: Research on reasonable length of steeply dipping coal seam working face based on the fuzzy comprehensive evaluation method

Scale aij

Scale aij

1

Element i is just as important as element j

3

Element i is slightly more important than element j

5

Element i is obviously more important than element j

7

Element i is more important than element j

9

Element i is more important than element j

2、4、6、8

Is the intermediate value of the above adjacent judgment

Reciprocal (1/aij)

1/aij indicates the result of comparing element j with element i