發送短信 : Design and analysis of a vertical axis wind turbine

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