The process of conversion from wetland into cropland(CWC) is the main feature of land cover change in Sanjiang plain in the past 50 years.是什么意思_The process of conversion from wetland into cropland(CWC) is the main feature of land cover change in Sanjiang plain in the past 50 years.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句