| |||
| 航向扌旨示器 | |||
| 航向指示器 | |||
|
heading indicator : 28 phrases in 9 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 8 |
| Ecology | 1 |
| Electronics | 1 |
| Navigation | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 10 |
| |||
| 航向扌旨示器 | |||
| 航向指示器 | |||
|
heading indicator : 28 phrases in 9 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 8 |
| Ecology | 1 |
| Electronics | 1 |
| Navigation | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 10 |