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

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發送短信 : Design and performance analysis of medium access control protocols for QOS in Wimax