| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| natural frequency of damping oscillation | 0.71 | 0.6 | 2003 | 64 | 40 |
| natural | 0.67 | 0.8 | 7298 | 24 | 7 |
| frequency | 0.63 | 1 | 2994 | 16 | 9 |
| of | 0.54 | 0.4 | 3563 | 17 | 2 |
| damping | 0.39 | 0.7 | 734 | 23 | 7 |
| oscillation | 1.96 | 1 | 9464 | 97 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural frequency of damping oscillation | 1.6 | 0.3 | 4771 | 78 |
