BxָУxČW(xu)vW(xu)ƮI(y)^m(x)M(jn)бƶεČW(xu)(x)cxͬBxڌƮI(y)֮M(jn)бn̵ČW(xu)(x)ƌġ3+2ꡱW(xu)
һfԌW(xu)ԇĺҪڳ˽SֻJ(rn)҇ԿI(y)CJ(rn)˽I(y)CӢձĴ¼ô23(g)ҳJ(rn)҇ԿI(y)Cȡ˴+ԿơČͬxģʽ˴I(y)Cֻһ(g)^ֶ
ͨߵȽԿh(yun)dzɿfǧfҪɿJ(rn)ɶȵ
xҲQͬxcBxǃɷNͬģʽµČƺͱͬr(sh)M(jn)ЌW(xu)(x)ͿԇԿֻҪһ(g)ҳJ(rn)ČCͿՈԿCδҪԓCһԿϵеC
xָM(jn)ЌƌW(xu)(x)ͬr(sh)nҲBxָW(xu)xһ(g)ƮI(y)֮Rͨ^ԇ߅Կ˸߿ȫ@ȡƌW(xu)vC