题目内容
平均自由行程长度λ:粒子单位行程中碰撞次数。()
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SQL Error: select id,body,options from ***_enewstiku where sourceid='32664' and id < 2597881 and id<>'2597881' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32664' and id > 2597881 and id<>'2597881' order by id asc limit 5