极性液体和固体的相对介电常数随温度升高的变化规律是（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69041' and id < 4468199 and id<>'4468199' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69041' and id > 4468199 and id<>'4468199' order by id asc limit 5