抵押物由于技术相对落后造成的贬值称为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25439' and id < 2142892 and id<>'2142892' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25439' and id > 2142892 and id<>'2142892' order by id asc limit 5