發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Social media in local administration: An empirical study of twitter use in flood management