發送短信 : Current characteristics in the presence of near-orthogonal waves

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