發送短信 : Waves, tides, and shallow-water processes. (2nd ed.)

  _  __     ___     ______    __   __    _  _   
 | |/ //   / _ \\  |      \\  \ \\/ //  | \| || 
 | ' //   | / \ || |  --  //   \ ` //   |  ' || 
 | . \\   | \_/ || |  --  \\    | ||    | .  || 
 |_|\_\\   \___//  |______//    |_||    |_|\_|| 
 `-` --`   `---`   `------`     `-`'    `-` -`