發送短信 : Development of electronic road pricing techniques

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