發送短信 : Optimal locations of internal line supports for rectangular plates against buckling

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