已知交流电路中，某元件的阻抗与频率成反比，则元件是（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69470' and id < 4499528 and id<>'4499528' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69470' and id > 4499528 and id<>'4499528' order by id asc limit 5