F(xin)ڵλã > ̘I(y) > Ԕ(x)(ni)
켈SÓNF(xin)bָ(do)
һ: ]
һ: C(j)Çˮ-߉ֱ
Ia(chn)ƷУÓˮ؇UҺwUˮٟtpw併؇C(j)ÓSƷr(ji)(bo)r(ji)