带电质点由于热运动而溢出放电空间为漂移。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68449' and id < 4419006 and id<>'4419006' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68449' and id > 4419006 and id<>'4419006' order by id asc limit 5