作用中心色素的直接功能包括(    )｡

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='2627' and id < 197241 and id<>'197241' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='2627' and id > 197241 and id<>'197241' order by id asc limit 5