The result show the main nutrient content of seven kinds of roughage, added the table of feed ingredients for rabbits in China and provided the data base for the rational feed formulation. 试验结果给出了七种家兔常用粗饲料样品的营养成分指标,补充了中国饲料营养成分表,为家兔饲料配方的合理设计提供了数据基础。
The spurt during puberty is the main period of primary identification, and the physical and mental status of table tennis players in their spurt during puberty is the base to identify and train successfully. 青春发育突增期是进行初级选材的主要时期,这时期的乒乓球运动员身心发育状况正是顺利进行选材和训练的基础。