λҪھW(wng)Ͻ籣Ҫȥ籣__r(sh)gÿµ15-25̖ҪṩY²ϣ
1.II(y)(zh)աԭ(f)ӡC(f)ӡ(jng)kC(f)ӡ(f)ӡҪw£
2.籣(jng)kC(j)(gu)Ҫṩ
Ԕ(x)E
1.̖_õ23-26̖ڡ
2.ҪһI(lng)ȡU(xin)ӛU(xin)ˆTr(bo)ȱһǹˆTԼo㣩
ϱһʽɷk텢ӛ籣һλһ
ܰʾU(xin)ӛҪă(ni)ݳI(y)Ϣ߀Ҫ˵C̖(lin)ϵԒ߀Ҫ_yУyлϢԳˠII(y)(zh)ԭc(f)ӡhُ(f)ӡһ_SCͷ˵Cԭ͏(f)ӡȥŶҪһҪº
3.ӛ籣ˆTVȥĂ(g)k픵(sh)耡(sh)Ҫṩ(jng)kC(f)ӡC(f)ӡII(y)(zh)Տ(f)ӡw¡
4._ҪӰ