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| 延缓信号; 滞后信号 | |||
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delay signal : 19 phrases in 8 subjects |
| Air defense | 2 |
| Communications | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Oil / petroleum | 1 |
| Power system protection | 2 |
| Space | 4 |
| Technology | 7 |
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