發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : In search of query patterns : a case study of a university OPAC