Many streams have flooded their banks, making some roads impassable.许多小河的水已经漫过堤岸，造成一些道路不能通行。Rivers and streams have overflowed their banks in countless places.在许多地方，河流与小溪都已经决堤。Several streams mingle in this river on thei...
谁散布的这些谣言?Who spread these rumours?造成散布的最严重的原因通常是推力偏斜.The most serious cause of dispersion is usually thrust misalignment.接下来的问题是如何通过散布的点子画出最佳线.The question then is how to draw the best line through the scattered points....