發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Elastic scattering of excitons by excitons in semiconducting quantum-well structures: Finite confining-potential model