表现为刺激阈增髙，反应反而减弱。给予强 刺激才能引起一般感觉。应当是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25193' and id < 2136137 and id<>'2136137' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25193' and id > 2136137 and id<>'2136137' order by id asc limit 5