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| 人工立时接通制 | |||
| 即时处理 | |||
| 即时业务 | |||
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demand service : 18 phrases in 9 subjects |
| Business | 6 |
| Communications | 2 |
| Computer networks | 1 |
| Economy | 1 |
| Electronics | 2 |
| Marketing | 1 |
| Space | 2 |
| Technology | 2 |
| Telecommunications | 1 |
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