發送短信 : EXPECTED PERFORMANCE OF SOME LOT-SIZING HEURISTICS IN A ROLLING-SCHEDULE ENVIRONMENT.

             ___       _____     ___              
    ___     / _ \\    / ___//   / _ \\      ___   
   /   ||  / //\ \\   \___ \\  | / \ ||    /   || 
  | [] || |  ___  ||  /    //  | \_/ ||   | [] || 
   \__ || |_||  |_|| /____//    \___//     \__ || 
    -|_|| `-`   `-` `-----`     `---`       -|_|| 
     `-`                                     `-`