divide ...into...; mark off划分出From analysis of all cities's ( countries) contribution rate of factors, it can mark off different layers in Hainan's development of economy. 对各市县经济增长要素的贡献率分析中,可以划分出不同的发展层次。North Wuyi strata distributive province can be divided into Wuyi group, Luotang group and Guifeng group. 北武夷地层分区可划分出武夷群、罗塘群和圭峰群;