在不计网络功率损耗的情况下，下图所示网络各段电路中(    )。  

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id < 4498589 and id<>'4498589' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id > 4498589 and id<>'4498589' order by id asc limit 5