补充营养元素提高瘤胃微生物生长效率；
Using supplements to balance nutrients so that improve growth efficiency of rumen microbes;
推导了膜生长效率的理论表达式；表观迁移分数的关系式。
Mathematic expressions of film growth efficiency and the relationship between apparent and real transport Numbers have been derived.
草鱼的能量学特征为高摄食率、高代谢消耗、低生长效率。
The bioenergetics of the grass carp was characterized by a high consumption rate, high metabolic expenditure and low growth efficiency.
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