發送短信 : Influences of compressive stress and aging on dielectric properties of sodium bismuth titanate ceramics

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