| |||
| 静底座 | |||
| 固定基面 | |||
| 固定营业基地 | |||
| 定基 | |||
| 固定基期 | |||
| 固定基线 | |||
| 定期 | |||
| 固定碱; 固定底座; 柱固定底座 | |||
| |||
| 固定基面，座，础; 固定基数; 固定碱 | |||
|
fixed base : 55 phrases in 13 subjects |
| Aviation | 6 |
| Business | 10 |
| Communications | 2 |
| Cryptography | 4 |
| Economics | 8 |
| Finances | 1 |
| International trade | 2 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Rail transport | 1 |
| Space | 5 |
| Statistics | 2 |
| Technology | 12 |