用于鉴定挥发油组成成分的有效方法是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26289' and id < 2199164 and id<>'2199164' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26289' and id > 2199164 and id<>'2199164' order by id asc limit 5