AN PRELIMINARY STUDY ON THE VERTICAL BELTS OF THE FOREST VEGETATION ON THE NORTHERN SLOPE OF MOTIANLING RIDGE, GANSU是什么意思_AN PRELIMINARY STUDY ON THE VERTICAL BELTS OF THE FOREST VEGETATION ON THE NORTHERN SLOPE OF MOTIANLING RIDGE, GANSU在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句