發送短信 : Axisymmetric Plastic Plates with Ring Supports at Optimum Locations

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