發送短信 : Closed-form eigenfrequencies in prolate spheroidal conducting cavity

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 / ____||   / _ \\   |  _ \\    / _ \\    / ___// 
/ //---`'  | / \ ||  | |_| ||  / //\ \\   \___ \\ 
\ \\___    | \_/ ||  | .  //  |  ___  ||  /    // 
 \_____||   \___//   |_|\_\\  |_||  |_|| /____//  
  `----`    `---`    `-` --`  `-`   `-` `-----`