| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| preliminary design review nasa | 0.9 | 0.2 | 6275 | 21 | 30 |
| preliminary | 1.2 | 0.3 | 5403 | 24 | 11 |
| design | 0.37 | 0.8 | 152 | 74 | 6 |
| review | 1.76 | 0.6 | 9287 | 83 | 6 |
| nasa | 1.19 | 0.5 | 6464 | 69 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| preliminary design review nasa | 0.61 | 0.1 | 5094 | 13 |
| preliminary design reviews | 0.81 | 0.6 | 7318 | 5 |
| nasa student launch preliminary design review | 1.93 | 0.6 | 4549 | 23 |
| design certification review nasa | 0.53 | 0.5 | 3092 | 81 |
| preliminary design review report | 0.02 | 0.5 | 7768 | 31 |
| nasa critical design review | 1.8 | 0.1 | 477 | 52 |
| pdr preliminary design review | 1.43 | 1 | 6153 | 14 |
| preliminary design review example | 1.67 | 0.9 | 6475 | 62 |
| preliminary design review outline | 0.86 | 1 | 7146 | 80 |
| nasa pre environmental review | 1.01 | 0.3 | 1351 | 33 |
| nasa best design model | 1.89 | 0.7 | 2050 | 85 |
| nasa best engineering design process | 0.46 | 0.7 | 9523 | 44 |
| preliminary design review systems engineering | 0.67 | 0.1 | 9918 | 95 |
