發送短信 : Double-layered vibratory grating scanners for high-speed high-resolution laser scanning

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