發送短信 : Rapid visualization of grain boundaries in monolayer MoS2 by multiphoton microscopy

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