REMOTE SENSING APPLICATION IN SPEED INVESTIGATION OF WATER AND SOIL LOSS IN SMALL RIVER BASIN--TAKING LAOGAOCHUAN AREA AS TEST AREA是什么意思_REMOTE SENSING APPLICATION IN SPEED INVESTIGATION OF WATER AND SOIL LOSS IN SMALL RIVER BASIN--TAKING LAOGAOCHUAN AREA AS TEST AREA在線翻譯_英語_讀音_用法_例句