釆用结点电压法分析电路时，参考结点选择不同时，列写的方程也不同。（)

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32629' and id < 2594646 and id<>'2594646' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32629' and id > 2594646 and id<>'2594646' order by id asc limit 5