 |
| |||
| 船位、航向和航速 | |||
| course and speed: 25 phrases in 9 subjects |
| Agriculture | 1 |
| Astronautics | 4 |
| Aviation | 2 |
| Electronics | 2 |
| General | 2 |
| Navigation | 1 |
| Shipbuilding | 6 |
| Space | 2 |
| Technology | 5 |
|
| |||
| 船位、航向和航速 | |||
| course and speed: 25 phrases in 9 subjects |
| Agriculture | 1 |
| Astronautics | 4 |
| Aviation | 2 |
| Electronics | 2 |
| General | 2 |
| Navigation | 1 |
| Shipbuilding | 6 |
| Space | 2 |
| Technology | 5 |