發送短信 : Scheduling second-order computational load in master-slave paradigm

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