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|  __ \\    / _ \\  | \  / ||   / _ \\   | \| || 
| |  \ ||  / //\ \\ |  \/  ||  / //\ \\  |  ' || 
| |__/ || |  ___  ||| .  . || |  ___  || | .  || 
|_____//  |_||  |_|||_|\/|_|| |_||  |_|| |_|\_|| 
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發送短信 : Revisiting the fog bottle experiment