| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| equation for fundamental frequency | 1.44 | 0.2 | 3994 | 13 | 34 |
| equation | 0.8 | 0.3 | 2146 | 32 | 8 |
| for | 0.58 | 0.8 | 223 | 74 | 3 |
| fundamental | 1.73 | 1 | 5153 | 23 | 11 |
| frequency | 1.7 | 0.6 | 4163 | 90 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| equation for fundamental frequency | 1.17 | 0.5 | 2274 | 21 |
