前运算时期思维的“半逻辑” 的特征是守恒性概念晚于

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30326' and id < 2451940 and id<>'2451940' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30326' and id > 2451940 and id<>'2451940' order by id asc limit 5