發送短信 : Dielectric and piezoelectric properties of PZT-silica fume cement composites

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