發送短信

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__    __    ______    _____     ______            
\ \\ / //  /_   _//  |__  //   /_   _//   ____    
 \ \/ //    -| ||-     / //     -| ||-   |    \\  
  \  //     _| ||_    / //__    _| ||_   | [] ||  
   \//     /_____//  /_____||  /_____//  |  __//  
    `      `-----`   `-----`   `-----`   |_|`-`   
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發送短信 : A LABORATORY SCALE PHOTOELECTRIC EFFECTS APPARATUS TO DETERMINE A WAVELENGTH OF LIGHT FOR HIGH SCHOOL PHYSICS LEARNING MEDIA