对动态图像进行压缩处理的基本条件是：动态图像中帧与帧之间具有 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30253' and id < 2447406 and id<>'2447406' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30253' and id > 2447406 and id<>'2447406' order by id asc limit 5