社会必要劳动时间计算的尺度是（ )0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31518' and id < 2523805 and id<>'2523805' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31518' and id > 2523805 and id<>'2523805' order by id asc limit 5