如图,t<0时电路已达到稳态,当s在t=0时从1端打到2端,则等于（）。 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id < 2598932 and id<>'2598932' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id > 2598932 and id<>'2598932' order by id asc limit 5