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Significant differences in urban greening have occurred in Chinese cities, accompanied by China’s rapid urbanization. However, there are relatively few studies on the spatial differentiation of urban greening in China at the city level. In addition, there is no unanimous conclusion on the main factors influencing the spatial differentiation of urban greening. Based on 2014 emission inventory data...
Based on the statistics from 1998 to 2005 released by Henan Statistical Bureau in China, this paper applies the compensative GM (1, N) model to simulate the relationship between technical input and economic growth. In this paper, the parameters of the system are obtained via the principle of least square method. In the numerical experiment, the model simulates the GDP values of Henan province from...
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