你自己看: http://www.xhedu.sh.cn/cms/data/html/doc/2005-05/13/56268/ http://www.stsj86.com/chuzhongwulishitishijuan/ http://www.aqq.com.ru/ShiTiShiJuan/42/2006_05/GuanYuDianGongLvDeJiSuan--ChuZhongWuLiShiTi6277_1.html