交流电路中任一瞬间的功率称为瞬时功率。(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id < 4504147 and id<>'4504147' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id > 4504147 and id<>'4504147' order by id asc limit 5