采用K值来评价食品早期腐败变质时，若鱼体绝对新鲜，则K值可能等于

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25514' and id < 2148009 and id<>'2148009' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25514' and id > 2148009 and id<>'2148009' order by id asc limit 5