粒子数反转分布是指高能级电子数 :低能级电子数目

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30263' and id < 2448200 and id<>'2448200' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30263' and id > 2448200 and id<>'2448200' order by id asc limit 5