5TZF—98型简易风选脱粒机通过省级科研成果鉴定后,已批量生产並销售了数百台。它的主要技术参数和结构特点,去年已在《农机情报资料》(1983年11月)上作了介绍。本文试就它的科研成果价值作一些分析。一、研究目的和意义我省农村普遍使用的TJ—56型、TB—60型等脱粒机都是60年代的老产品,一般需 5TZF-98 simple wind election threshing machine passed the provincial scientific research appraisal, has been mass-produced and sold hundreds. Its main technical parameters and structural features were introduced last year in “Agricultural Machinery Information Materials” (November 1983). This paper tries to make some analysis on the value of its scientific research. First, the purpose and significance of the study TJ-56 type, TB-60-type thresher commonly used in rural areas in our province are the old products of the 1960s, generally required