全国γ辐射剂量率空间分布差异影响机理研究
杨晶, 胡茂桂, 钟少颖, 方圆

Influencing Mechanism of Spatial Distribution Difference in National γ Radiation Dose Rate Based on Geographical Detector
YANG Jing,HU Maogui,ZHONG Shaoying,FANG Yuan
图4 人口密度和人均GDP分布图
Fig. 4 The distribution of population and the per capita GDP distribution