SQL Error: select id,body,options from ***_enewstiku where sourceid='30632' and id < 2470986 and id<>'2470986' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30632' and id > 2470986 and id<>'2470986' order by id asc limit 5
三个阳性率比较的/检验的自由度是