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

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發送短信 : Lightning response of transmission lines and impulse behavior of concentrated grounds