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| executive system routine | |||
| 执行系统程序: 27 phrases in 8 subjects |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 9 |
| Information technology | 3 |
| Metallurgy | 1 |
| Space | 2 |
| Technology | 9 |
| Telecommunications | 1 |
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