| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| preliminary design review nasa | 0.63 | 0.4 | 9106 | 55 | 30 |
| preliminary | 1.4 | 0.8 | 7056 | 72 | 11 |
| design | 0.37 | 0.8 | 8795 | 23 | 6 |
| review | 1.09 | 1 | 2335 | 28 | 6 |
| nasa | 0.03 | 0.4 | 6566 | 72 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| preliminary design review nasa | 0.97 | 0.1 | 5643 | 87 |
