| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| mechanical energy storage abstract | 1.53 | 0.3 | 1454 | 20 | 34 |
| mechanical | 1.81 | 0.3 | 380 | 95 | 10 |
| energy | 0.58 | 0.5 | 9218 | 70 | 6 |
| storage | 1.12 | 0.8 | 7575 | 14 | 7 |
| abstract | 0.57 | 0.2 | 7222 | 43 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| mechanical energy storage abstract | 0.22 | 0.3 | 7208 | 10 |
