發送短信 : A graphene-based non-volatile memory

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