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| cyclic field; cyclical field | |||
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周期场 : 26 phrases in 13 subjects |
| Advertising | 1 |
| Agriculture | 1 |
| Air defense | 2 |
| Business | 1 |
| Economy | 1 |
| Electronics | 1 |
| Exhibitions | 1 |
| Footwear | 1 |
| Metallurgy | 3 |
| Physics | 1 |
| Project management | 2 |
| Securities | 3 |
| Technology | 8 |
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