| |||
cruising phase | |||
powered-flight phase; propulsion branch; cruise phase | |||
active phase; combustion phase; power flight phase; power phase; powered flight phase; powered phase; sustainer phase (飞行) | |||
| |||
boost-phase | |||
| |||
active leg |
主动段 : 51 phrases in 8 subjects |
Astronautics | 2 |
Aviation | 9 |
Communications | 1 |
Electronics | 1 |
General | 3 |
Missiles | 1 |
Space | 31 |
Technology | 3 |