晶体管的穿透电流大，说明其（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30217' and id < 2444166 and id<>'2444166' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30217' and id > 2444166 and id<>'2444166' order by id asc limit 5