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| 红外搜寻和跟踪 | |||
| 红外搜索与跟踪; 红外搜索跟踪 | |||
| 红外搜索和跟踪 | |||
| infrared search and track: 10 phrases in 5 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Earth sciences | 1 |
| Electronics | 2 |
| Space | 4 |
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