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| 系统连接 | |||
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system connection : 28 phrases in 12 subjects |
| Automobiles | 3 |
| Electricity | 1 |
| Electronics | 4 |
| Hydroelectric power stations | 3 |
| Information technology | 2 |
| Mechanics | 2 |
| Multimedia | 1 |
| Navigation | 3 |
| Project management | 1 |
| Space | 1 |
| Technology | 5 |
| Telecommunications | 2 |