發送短信

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

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發送短信 : Graph-based map representations for efficient path planning in virtual environments