SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id < 2599189 and id<>'2599189' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id > 2599189 and id<>'2599189' order by id asc limit 5
是旋转因子，+j,-j,-1都可以看成旋转因子（）