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| activity diagram; activity graph | |||
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活 动 图 : 80 phrases in 14 subjects |
| Air defense | 3 |
| Aviation | 2 |
| Business | 7 |
| Economy | 1 |
| Electronics | 26 |
| Exhibitions | 1 |
| General | 2 |
| Information technology | 6 |
| Librarianship | 1 |
| Management | 3 |
| Space | 3 |
| Sports | 1 |
| Technology | 14 |
| Telecommunications | 10 |
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