引起行波在有损耗导线上的衰减和变形的因素有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32605' and id < 2592618 and id<>'2592618' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32605' and id > 2592618 and id<>'2592618' order by id asc limit 5