發送短信 : A scientific approach to writing for engineers and scientists

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