原始凭证可分为通用凭证和专用凭证，其分类依据是（ )0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31439' and id < 2520405 and id<>'2520405' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31439' and id > 2520405 and id<>'2520405' order by id asc limit 5