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| management signal; supervisory signal | |||
| management signals | |||
| 管理 信号: 30 phrases in 9 subjects |
| Aviation | 4 |
| Communications | 1 |
| Construction | 1 |
| Electronics | 7 |
| Industry | 1 |
| Information technology | 2 |
| Multimedia | 1 |
| Technology | 8 |
| Telecommunications | 5 |
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