A.80% B.100% C.60% D.90%
A.340nm,從小到大 B.400nm,從小到大 C.400nm,從大到小 D.340nm,從大到小
A.Th與B細(xì)胞 B.NK與靶細(xì)胞 C.Tc與靶細(xì)胞 D.Th與巨噬細(xì)胞