發送短信 : Non-Redundant Sequential Rules - Theory and Algorithm

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