您要查找的是不是：
- Effects of Forage to concentrate ratio on feed degradability in the rumen and performance of lactating dairy cows 泌乳奶牛日粮精粗比对饲料瘤胃降解率及生产性能的影响
- Keywords Forage to concentrate ratio, Rumen fermentation, Performance,Degradability coefficients, Fatty acid; 精粗比;瘤胃发酵;降解参数;生产性能;脂肪酸;
- Forage to concentrate ratio 精粗比
- Cows and sheep depends forage to feed. 牛和羊依靠草料喂养。
- It's too hot to concentrate on book. 热得不能集中心思看书。
- Don't put me off when I'm trying to concentrate. 我正要集中注意力呢，别打搅我。
- She felt ill. She went to work, however, and tried to concentrate. 她病了。然而她照旧去上班，并且尽力集中精神工作。
- Tom finds it difficult to concentrate. 汤姆发现很难集中注意力。
- Having failed my French exams, I decided to concentrate on science subjects. 我因法语考试不及格而决心专攻理科。
- He wanted to concentrate on a single issue. 他要集中在单一的问题上。
- A convex lens is used to concentrate rays of light. 凸透镜用于聚集光线。
- A planoconvex lens used to concentrate light. 凸透镜用来聚光的凸镜
- He would do well to concentrate more on his work. 他最好还是更加集中精力在工作上。
- He tried to concentrate on Thomson. 他尽力把注意力集中到汤姆森身上。
- Don' t put me off when I' m trying to concentrate. 我正要集中注意力呢; 别打搅我.
- forage to concentrate ration 日粮精粗比
- To concentrate efforts on one part of the game. 特长,在某一方面特别突出。
- I'm trying to concentrate on my job right now. 我现在正试着要专心工作。
- We need to concentrate on the matter in hand. 我们需要关注手头的这件事情。
- He scrunched up his face, trying to concentrate. 他皱起眉头努力集中精神。
