發送短信

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

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發送短信 : Advanced topics in learning to hash for large-scale retrieval