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自由处理 : 16 phrases in 10 subjects |
| Agriculture | 2 |
| Aviation | 1 |
| Business | 3 |
| Electronics | 1 |
| General | 3 |
| International trade | 2 |
| Multimedia | 1 |
| Name of organization | 1 |
| Space | 1 |
| Technology | 1 |
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