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| 无〔没有〕阶级的; 不属于任何阶级的 | |||
| classless: 13 phrases in 8 subjects |
| Air defense | 1 |
| Artificial intelligence | 1 |
| Communications | 2 |
| Computer networks | 4 |
| Electronics | 1 |
| Information technology | 2 |
| Microsoft | 1 |
| Multimedia | 1 |
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