發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Anharmonic coupling between fundamental modes in tetramethylurea