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

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發送短信 : Lamb wave propagation in a metallic semi-infinite medium covered with piezoelectric layer