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| 自动电话业务 | |||
| 自动电话业务 | |||
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dial service : 25 phrases in 13 subjects |
| Agriculture | 1 |
| Communications | 1 |
| Computer networks | 1 |
| Cryptography | 1 |
| Economy | 1 |
| Electronics | 7 |
| General | 1 |
| Information technology | 5 |
| Multimedia | 2 |
| Project management | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
| Telecommunications | 2 |
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