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| 营养价值指数某种牧草或饲料每单位代谢活重之日食人消化量与标准牧草(或饲料)之比值; 营养价值指数 | |||
| 营养价值指数 (NVI) | |||
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nutritive value index : 3 phrases in 1 subject |
| Animal husbandry | 3 |
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