电力系统的频率特性取决于（）的频率特性。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32642' and id < 2595585 and id<>'2595585' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32642' and id > 2595585 and id<>'2595585' order by id asc limit 5