分封制最早出现的朝代是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29803' and id < 2419106 and id<>'2419106' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29803' and id > 2419106 and id<>'2419106' order by id asc limit 5