二次函数 的图象的对称轴是 ，则有(     )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16192' and id < 1360890 and id<>'1360890' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16192' and id > 1360890 and id<>'1360890' order by id asc limit 5