调速系统的(    )特性是指稳态工况下，发电机组转速和功率之间的关系。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68479' and id < 4421590 and id<>'4421590' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68479' and id > 4421590 and id<>'4421590' order by id asc limit 5