Research Article
Systematic Research on the Application of Steel Slag Resources under the Background of Big Data
Table 2
Satty scoring system of 9 grades.
| Scale | Meaning |
| 1 | Compared to the two factors, it is equally important | 3 | Compared to the two factors, the former is a little more important than the latter | 5 | Compared to the two factors, the former is significantly more important than the latter | 7 | Compared to the two factors, the former is more important than the latter | 9 | Compared to the two factors, the former is extremely important than the latter | 2, 4, 6, 8 | The intermediate value of the above judgment | Reciprocal | The importance of the comparison of the corresponding two factors in the exchange sequence |
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