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

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發送短信 : Resource allocation for semantic communication under physical-layer security