负载并联使总阻抗变小，而总导纳变大。 (     )     

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68472' and id < 4420957 and id<>'4420957' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68472' and id > 4420957 and id<>'4420957' order by id asc limit 5