加拿大瀑布长年累月的冲蚀,在其谷底造就成一个59米深的盆池。
The Canadian falls has carved a plunge basin 59 meters deep .
盆池涡旋转方向和龙卷风的形成
Study of the Rotary Eddy Direction in Pool and Formation of Cyclone
结果表明,盆池涡旋转的方向是确定的:地球北半球出现的盆池涡旋转的方向为逆时针(俯视);
The result indicates the rotary eddy direction in pool is certain .