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 _    _     _____    _    _      ___     _    _   
| |  | ||  |  ___|| | |  | ||   / _ \\  | \  / || 
| |/\| ||  | ||__   | |/\| ||  | / \ || |  \/  || 
|  /\  ||  | ||__   |  /\  ||  | \_/ || | .  . || 
|_// \_||  |_____|| |_// \_||   \___//  |_|\/|_|| 
`-`   `-`  `-----`  `-`   `-`   `---`   `-`  `-`

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發送短信 : DumbLoc: dumb indoor localization framework using WiFi fingerprinting