The author considers the solar radiation, precipitation, fertility of soil, the efficiency of land use and eara of cropland as natures of ecological capacity of cropland.是什么意思_The author considers the solar radiation, precipitation, fertility of soil, the efficiency of land use and eara of cropland as natures of ecological capacity of cropland.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句