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Spatial-temporal distribution of cropland in China based on geomorphologic regionalization during 1990-2015 https://www.geog.com.cn/EN/10.11821/dlxb201809001
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Spatial-temporal distribution of cropland in China based on geomorphologic regionalization during 1990-2015 https://www.geog.com.cn/EN/10.11821/dlxb201809001
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