Online Evaluation Method of Water Resources Recycling Effect in Urban Landscaping Using Fuzzy Approach

Table 1

1–9 evaluation scale.

Relative scale	Meaning
1	Element x and element y are equally important
3	Element x is slightly more important than y
5	Element x is more important than element y
7	Element x is obviously more important than element y
9	Element x is absolutely important
2,4,6,8	The importance of element x relative to element y is between the two values
1,1/2, …, 1/9	The unimportant degree element x and element y