| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| spacecraft electric propulsion | 1.87 | 0.7 | 5400 | 62 | 30 |
| spacecraft | 0.62 | 0.6 | 6423 | 8 | 10 |
| electric | 1.92 | 0.7 | 2403 | 39 | 8 |
| propulsion | 1.17 | 1 | 3201 | 61 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| spacecraft electric propulsion | 0.17 | 0.1 | 8402 | 44 |
| spacecraft electric propulsion types | 0.5 | 0.7 | 6629 | 53 |
| spacecraft electric propulsion design | 1.81 | 0.7 | 9008 | 63 |
| spacecraft electric propulsion systems | 1.98 | 0.6 | 8146 | 99 |
| spacecraft electric propulsion research | 0.29 | 1 | 5161 | 95 |
| spacecraft electric propulsion advantages | 0.83 | 0.3 | 8427 | 27 |
| spacecraft electric propulsion challenges | 1.84 | 0.1 | 5419 | 15 |
| spacecraft electric propulsion comparison | 1.11 | 0.5 | 950 | 43 |
| spacecraft electric propulsion simulation | 0.43 | 0.8 | 6857 | 43 |
| spacecraft electric propulsion applications | 1.42 | 0.6 | 6898 | 54 |
| spacecraft electric propulsion history | 0.31 | 0.5 | 1353 | 2 |
| electric propulsion system spacecraft | 0.43 | 1 | 5972 | 60 |
