几个复阻抗相加时，它们的和增大；几个复阻抗相减时，其差减小。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32632' and id < 2594889 and id<>'2594889' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32632' and id > 2594889 and id<>'2594889' order by id asc limit 5