發送短信

數:

提供者:

CAPTCHA:

  ______     ___     _    _     ______   _____    
 /_____//   / _ \\  | |  | ||  /_   _// |  __ \\  
 `____ `   | / \ || | |/\| ||   -| ||-  | |  \ || 
 /___//    | \_/ || |  /\  ||   _| ||_  | |__/ || 
 `__ `      \___//  |_// \_||  /_____// |_____//  
 /_//       `---`   `-`   `-`  `-----`   -----`   
 `-`

Please enter what you see:

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