蛋白质被分解后的次级结构称为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30439' and id < 2459448 and id<>'2459448' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30439' and id > 2459448 and id<>'2459448' order by id asc limit 5