ЌW(xu)ԺBeijing City Universityһ(jng)(zhn).ȫƾCͨߵԺУCl(f)ҳJ(rn)оƌW(xu)vW(xu)λYekƽ
t(y)ˎW(xu)Qt(y)Aֱ͇ٵһt(y)ˎW(xu)ƞɫȫcW(xu)ɽl(wi)ίTt(y)ˎйͬO(sh)LJһW(xu)ƽO(sh)Уҡ211̡985̃(yu)W(xu)Ƅ(chung)ƽ_O(sh)У
ͨW(xu)Beijing Jiaotong UniversityAֱ͇ٵȫcW(xu)ͨ\ݔЇF·F(tun)˾УλС211̡985̃(yu)W(xu)Ƅ(chung)ƽ_һW(xu)ƽO(sh)