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| system administration facility | |||
| system management facility | |||
| system management facilities | |||
| 系统管理设备: 30 phrases in 7 subjects |
| Aviation | 13 |
| Ecology | 1 |
| Electronics | 12 |
| Military | 1 |
| Multimedia | 1 |
| Technology | 1 |
| Wind Energy | 1 |
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