發送短信 : A STUDY OF PROTON-INDUCED L-SHELL CROSS SECTIONS

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