I(yng)Ӌ(j),C(j)е
l(f) O(sh)(y)
+
r(ji) Ԫ
ITC(i)Kʩ늴ŸĤӋ(j)
ITC(i)Kʩ(f)λC(j)еĤӋ(j)
ITC(i)KʩC(j)еĤӋ(j)
I(yng)I(y)(zh)