在两种不同材料的界面上，决定反射量的 因素是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31794' and id < 2541765 and id<>'2541765' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31794' and id > 2541765 and id<>'2541765' order by id asc limit 5