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| symbolic operation; symbol manipulation | |||
| symbolic manipulation | |||
| 符号 操作: 14 phrases in 8 subjects |
| Artificial intelligence | 1 |
| Aviation | 2 |
| Electronics | 1 |
| Gymnastics | 1 |
| Information technology | 2 |
| Management | 1 |
| Oil / petroleum | 1 |
| Technology | 5 |
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