KB（千字节）是度量存储器容量大小的常用单位之一，1KB等于______。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='57206' and id < 3621849 and id<>'3621849' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='57206' and id > 3621849 and id<>'3621849' order by id asc limit 5