| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| environmental engineering research影响因子 | 1.81 | 0.8 | 1124 | 66 | 46 |
| environmental | 0.28 | 0.4 | 2711 | 5 | 13 |
| engineering | 0.49 | 0.9 | 1829 | 58 | 11 |
| research影响因子 | 1.28 | 0.9 | 9623 | 50 | 20 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| environmental engineering research影响因子 | 0.53 | 0.1 | 3199 | 93 |
