| |||
| 精确指示器 | |||
|
precision indicator : 17 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 7 |
| Earth sciences | 1 |
| Electronics | 4 |
| Radio | 1 |
| Space | 2 |
| Technology | 1 |
| |||
| 精确指示器 | |||
|
precision indicator : 17 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 7 |
| Earth sciences | 1 |
| Electronics | 4 |
| Radio | 1 |
| Space | 2 |
| Technology | 1 |