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| system operator | |||
| system operator (SysOp) | |||
| sysop | |||
| 系统操作员: 30 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 7 |
| Dragon boat | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 4 |
| Information technology | 3 |
| Nautical | 1 |
| Project management | 2 |
| Space | 4 |
| Technology | 3 |
| Telecommunications | 1 |
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