The rank of contributive rate of flat land for construction to GDP was represented as flowing order:Ⅰ,Ⅱ,Ⅲ,Ⅳas 48.07%, 27.53%, 17.93%, 7.29% respectively.
单位建设用地对GDP的贡献率，Ⅰ区最高，依次Ⅱ区、Ⅲ区、Ⅳ区，分别是48.07％，27.53％，17.93％，7.29％。
参考来源 - 成都市农地非农化空间效率差异研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is one of difficult problems in educational economy to quantitatively calculate the contributive rate of education to economic growth.
定量测算教育对经济增长的贡献率，是教育经济问题研究的难题之一。
The contributive rate of animal husbandry science and technology progress in Fujian Province from 1982 to 1998 was measured and analyzed by using method of growth rate equation.
并采用增长速度方程式法对福建省1982～ 1998年畜牧业科技进步贡献率进行测算与分析。
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