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  / ___//  |  ___||  /_____//   / _ \\    ____    
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`-----`    `-----`   /_//       `---`    |_|`-`   
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發送短信 : Dielectric properties of (1-x)SrFe1/2Nb1/2O3-xBaZn1/3Ta2/3O3 ceramics