将=-20j化为极坐标形式为（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id < 2599077 and id<>'2599077' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id > 2599077 and id<>'2599077' order by id asc limit 5