| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| principal mode of vibration | 1.15 | 0.1 | 1982 | 26 | 27 |
| principal | 0.34 | 0.2 | 3902 | 80 | 9 |
| mode | 1.01 | 0.4 | 3976 | 8 | 4 |
| of | 1.59 | 0.3 | 1793 | 98 | 2 |
| vibration | 0.86 | 0.2 | 9533 | 43 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| principal mode of vibration | 1.58 | 0.7 | 214 | 65 |
