下列哪一词语描述的是知觉现象

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id < 2101931 and id<>'2101931' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id > 2101931 and id<>'2101931' order by id asc limit 5