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| 循环程序 | |||
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| 循环程序 | |||
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cycle program : 18 phrases in 10 subjects |
| Aviation | 3 |
| Corporate governance | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 1 |
| Plastics | 1 |
| Refrigeration | 1 |
| Space | 3 |
| Technology | 5 |
| United Nations | 1 |
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