Sum of the Combinatorial Numbers ( - x ) xxm
组合数(-1)~xx~m(m从x到2n-x)的求和
AIM : To establish the model of aging rats and observe the effect of the group of effective components of Xiaoxuming Decoction ( XXM ) on aging rats .
目的:建立大鼠衰老模型,观察中药复方小续命汤有效成分组(GEC)对衰老大鼠的影响。