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| |  | || | || | ||  \ \\/ //  \ \\/ // | \  / || 
| |/\| || | || | ||   \   //    \ ` //  |  \/  || 
|  /\  || | \\_/ ||   / . \\     | ||   | .  . || 
|_// \_||  \____//   /_//\_\\    |_||   |_|\/|_|| 
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發送短信 : Compact feature learning for multimedia retrieval