發送短信 : Effect of Shot Noise and Secondary Emission Noise in Scanning Electron Microscope Images

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