| |||
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 |