例句與造句

1. This insidious disease produces extensive and unmeasured economic losses through reduced efficiency in feed utilization .
   這種隱伏性疾病產(chǎn)生了廣泛的和未加統(tǒng)計(jì)的由于飼料利用率降低的經(jīng)濟(jì)損失。
2. However , there are some problems existed in the construction of milk resource base ( e . g . low level of farmer ' s systematization , management and feed utilization , environment pollution etc . )
   盡管呼市奶業(yè)發(fā)展很快，但成績(jī)的背后還存在很多問(wèn)題，特別是奶源基地建設(shè)上問(wèn)題更加突出。
3. The results showed that every test group had no significant difference in growth speed , feed utilization rate , survival rate , carcass quality of meat duck comparing with the control group
   結(jié)果顯示這3種飼料添加劑與對(duì)照組相比在肉鴨生長(zhǎng)速度、飼料利用率、成活率、屠體品質(zhì)等方面均無(wú)顯著差異。
4. It's difficult to find feed utilization in a sentence. 用feed utilization造句挺難的