在计算动态电路初始(t=0+)值时,时电感元件可以代之以(    )。 　    

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68472' and id < 4420923 and id<>'4420923' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68472' and id > 4420923 and id<>'4420923' order by id asc limit 5