身份证倒数第二位表示什么

页面:/news/view-485733/ | 耗时:0.8594 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=485733 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=485733 LIMIT 0,1
select * from tbl_Articles_sphinx where id=485733 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(374263,380255,100380,392117,363099,392969,395269,372702,390001,100938,358549,1085342,81196,638388,365228,1103406,86158,1093689,362912,1110694,388999,396551,383885,1118995,361871,1122701,381587,86142,371547,1725522) ORDER BY field (ArticleID,374263,380255,100380,392117,363099,392969,395269,372702,390001,100938,358549,1085342,81196,638388,365228,1103406,86158,1093689,362912,1110694,388999,396551,383885,1118995,361871,1122701,381587,86142,371547,1725522)