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Assessment of green food production areas: A case study of the Yongqing area in the Beijing-Tianjin-Hebei region

HU Qing-Hai, WANG Xue-Qiu, TIAN Mi, WU Hui, LIU Qing-Qing, LI Jun-Hua, PAN Wei, WANG Li-Jun

图6 “化学地球”平台——“绿色土地”模块界面

Fig.6 Interface of “the Green Land” module in the “Chemical Earth” platform