项目投产初期，要根据（ ）估算各年达产率。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25438' and id < 2142810 and id<>'2142810' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25438' and id > 2142810 and id<>'2142810' order by id asc limit 5