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   _____   _    _     _____      ___              
  / ___// | || | ||  / ____||   / _ \\    ____    
  \___ \\ | || | || / //---`'  / //\ \\  |    \\  
  /    // | \\_/ || \ \\___   |  ___  || | [] ||  
 /____//   \____//   \_____|| |_||  |_|| |  __//  
`-----`     `---`     `----`  `-`   `-`  |_|`-`   
                                         `-`

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Text this: Frequency analysis of truncated circular spherical shell with high rotating speed around its symmetrical axis