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 ______      ___     _    _    _    _             
|      \\   / _ \\  | \  / || | || | ||     ___   
|  --  //  | / \ || |  \/  || | || | ||    /   || 
|  --  \\  | \_/ || | .  . || | \\_/ ||   | [] || 
|______//   \___//  |_|\/|_||  \____//     \__ || 
`------`    `---`   `-`  `-`    `---`       -|_|| 
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發送短信 : SPIN TRANSPORT THEORY IN MULTILAYER HETEROSTRUCTURES