音乐的两个部分开头相同、结尾不同，称为（ ）。[吉林2020]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31282' and id < 2510771 and id<>'2510771' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31282' and id > 2510771 and id<>'2510771' order by id asc limit 5