解决方案
benfangantebiekaolvlexitongjishushangdeqianzhanxing。genjujiafangyonghuxuqiu，qianzhanmuqiankeyujiandeweilaijishu，quebaoxitongnengzaiweilaijiaozhangdenianxianneichongfenfahuiqigongneng，weiyanjiugongzuotigongkekaodebaozhang。fanganzhongzhuyaofenweishipinxitong、yinpinxitong、kongzhixitong、xianshixitongdengjidazhuyaoxitong。
