發送短信 : A cost minimization model for a multi-component product closed loop supply chain considering big data dimensions

  ______    ______    _____    _    _     ______  
 /_   _//  /_   _//  |__  //  | || | ||  /_   _// 
 `-| |,-    -| ||-     / //   | || | ||  `-| |,-  
   | ||     _| ||_    / //__  | \\_/ ||    | ||   
   |_||    /_____//  /_____||  \____//     |_||   
   `-`'    `-----`   `-----`    `---`      `-`'