现代科技中，（)是通过受激发射而实现光波放大。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29889' and id < 2424823 and id<>'2424823' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29889' and id > 2424823 and id<>'2424823' order by id asc limit 5