Implementation Process of General Survey of Soil Erosion Conducted by Means of Remote Sensing and Analysis on Its Results in Ningxia Region of the Yellow River Basin是什么意思_Implementation Process of General Survey of Soil Erosion Conducted by Means of Remote Sensing and Analysis on Its Results in Ningxia Region of the Yellow River Basin在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句