| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| environmental information exchange network | 0.53 | 0.8 | 3606 | 9 | 42 |
| environmental | 0.17 | 0.3 | 2936 | 72 | 13 |
| information | 0.13 | 0.1 | 4609 | 88 | 11 |
| exchange | 0.39 | 0.7 | 9986 | 45 | 8 |
| network | 0.33 | 1 | 204 | 36 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| environmental information exchange network | 0.3 | 0.5 | 2652 | 42 |
