当某投资项目的累计净现值大于零时，其内部收益率（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25438' and id < 2142774 and id<>'2142774' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25438' and id > 2142774 and id<>'2142774' order by id asc limit 5