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| heart system | |||
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核心系统 : 32 phrases in 11 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Aviation | 4 |
| Electronics | 9 |
| Geophysics | 3 |
| Information technology | 2 |
| International Monetary Fund | 1 |
| Space | 2 |
| Technology | 5 |
| Telecommunications | 3 |
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