一种简便,快速测定茶叶中的DDT的方法

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SQL Error: select id,classid,MATCH(title) AGAINST('50275454 54542882 28821767 31764357 43571866 18662208 22081872 18725022 50225448' IN BOOLEAN MODE) as jhc from ***_enewssearchall where (id<>209757) and MATCH(title) AGAINST('50275454 54542882 28821767 31764357 43571866 18662208 22081872 18725022 50225448' IN BOOLEAN MODE) order by jhc desc,infotime desc limit 0, 6