發送短信 : Property of vertical aligned carbon nanotubes

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