短时记忆的主要编码方式是 (     )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26671' and id < 2220306 and id<>'2220306' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26671' and id > 2220306 and id<>'2220306' order by id asc limit 5