| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| symbol definition in literature | 0.72 | 0.6 | 3959 | 48 | 31 |
| symbol | 0.2 | 0.7 | 9356 | 28 | 6 |
| definition | 0.32 | 0.8 | 1037 | 15 | 10 |
| in | 1.2 | 0.7 | 1557 | 21 | 2 |
| literature | 1.19 | 0.9 | 7712 | 75 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| symbol definition in literature | 0.09 | 0.4 | 7128 | 1 |
