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| rotation system; system of rotation | |||
| alternating systems | |||
| crop rotation system | |||
| crop rotation | |||
| 轮作制: 41 phrases in 13 subjects |
| Agriculture | 20 |
| Animal husbandry | 3 |
| Aviation | 1 |
| Bridge construction | 1 |
| Business | 2 |
| Corporate governance | 1 |
| Desert science | 2 |
| Economy | 2 |
| General | 1 |
| Oil / petroleum | 1 |
| Soil science | 2 |
| Space | 2 |
| Technology | 3 |
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