ANALYSIS ON THE CLASSIFICATION OF SLOPING CULTIVATED LAND AND ITS BASIC CHARACTERISTICS IN THE NORTHEAST MOUNTAIN REGION OF YUNNAN PROVINCE是什么意思_ANALYSIS ON THE CLASSIFICATION OF SLOPING CULTIVATED LAND AND ITS BASIC CHARACTERISTICS IN THE NORTHEAST MOUNTAIN REGION OF YUNNAN PROVINCE在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句