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| 光学探测和测距 | |||
| 光学探测与测距; 光雷达 | |||
| optical detection and ranging: 12 phrases in 6 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Earth sciences | 3 |
| Electronics | 3 |
| Geophysics | 1 |
| Space | 2 |
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