| |||
| 光学探测和测距系统 | |||
| 光探测和测距系统 | |||
| 光学探测与测距系统 | |||
|
optical detection and ranging system : 8 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Geophysics | 1 |
| Space | 2 |
| |||
| 光学探测和测距系统 | |||
| 光探测和测距系统 | |||
| 光学探测与测距系统 | |||
|
optical detection and ranging system : 8 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Geophysics | 1 |
| Space | 2 |