下列具有反时限特征的电器元件有（   ） 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='55226' and id < 3489227 and id<>'3489227' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='55226' and id > 3489227 and id<>'3489227' order by id asc limit 5