档案直接鉴定一般是以（　）为基本单位进行。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32388' and id < 2573463 and id<>'2573463' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32388' and id > 2573463 and id<>'2573463' order by id asc limit 5