發送短信

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

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發送短信 : A blockchain based federated learning for message dissemination in vehicular networks