1.The frequency of expenses of cost of former delegate overload, latter represents the bulk of the unitage of overweighted cost expenses.
前者代表超载成本支出的频率，后者代表超载成本支出的单位量的大小。
2.The NIH unitage is based upon the ability of a vaccine to protect mice against a standard intracerebral infection.
NIH单位值是根据保护小白鼠大脑内免受一次标准感染的能力而制定的。
3.It mainly embodies that the unitage cost price of the former is lower than that of latter.
主要体现在单位产量饲料配方中的成本价格前者要低于后者。