连续饲养生产方式仍然采用, 但具体到猪舍和建筑可以做到全进全出的.Continuous production method is used, but rooms and buildings can be all - in - all - out.多功能育肥猪舍的基本功能.Fattening pig house's basic functions.母猪将待在猪舍里几周, 或者在整个怀孕期.Sows in stalls may s...
The two biologists found, to their surprise, that both groups of birds survived equally well.这两位生物学家惊奇地发现，两组鸟都很好地存活了下来。This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。The biologists are studyin...