有关介电常数的描述，错误的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25676' and id < 2158563 and id<>'2158563' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25676' and id > 2158563 and id<>'2158563' order by id asc limit 5