用于增加品种，完善产品性能或改进工艺的研究与开发支出属于

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29332' and id < 2388129 and id<>'2388129' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29332' and id > 2388129 and id<>'2388129' order by id asc limit 5