發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : An ion beam deceleration lens for ultra-low-energy ion bombardment of naked DNA