發送短信 : Energy related activities recognition using smartphones

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