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| blanking signal | |||
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| black-out signal; blanking signal | |||
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| black-out-signal | |||
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| blanking signal | |||
| 消隐 信 号: 12 phrases in 4 subjects |
| Air defense | 2 |
| Electronics | 2 |
| Technology | 5 |
| Telecommunications | 3 |
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