發送短信

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  _  __    ______             _    _    __   _   
 | |/ //  /_   _//   ____    | || | || | || | || 
 | ' //    -| ||-   |    \\  | || | || | '--' || 
 | . \\    _| ||_   | [] ||  | \\_/ || | .--. || 
 |_|\_\\  /_____//  |  __//   \____//  |_|| |_|| 
 `-` --`  `-----`   |_|`-`     `---`   `-`  `-`  
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發送短信 : Circuit grid approach for mobile robot path planning