F(xin)ڵλã(y) > ̘I(y)(j) > Ԕ(x)(ni)
ɽ˾ѭh(hun)偠tÓ̸-ӱ˼Pܭh(hun)עh(hun)Ó칤
һ(y): ʯf늏SÓÓ칤-ӱ˼Pܭh(hun)Ƽ˾ⳬŷŹ̰
һ(y): ӱɽúSÓ칤̰-ӱ˼P܌I(y)S
I(yng)a(chn)ƷУÓˮ؇UҺwUˮٟtpw併؇C(j)ÓSƷr(ji)(bo)r(ji)