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| 红外接收机 | |||
| 红外线接收器 | |||
| 红外线探测器; 红外线接收机 | |||
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infrared receiver : 11 phrases in 5 subjects |
| Air defense | 1 |
| Electronics | 3 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 5 |
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