 |
| |||
| orbit determination; orbital measurement; orbital-elements measurement | |||
| orbit modification | |||
| измерение параметров орбиты: 5 phrases in 2 subjects |
| Astronautics | 4 |
| Technology | 1 |
|
| |||
| orbit determination; orbital measurement; orbital-elements measurement | |||
| orbit modification | |||
| измерение параметров орбиты: 5 phrases in 2 subjects |
| Astronautics | 4 |
| Technology | 1 |