發送短信

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

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發送短信 : Vortex shedding behind an inclined flat plate hinged with a trailing-edge flap