發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Determination of the annual beta dose by meaming beta activity using the liquid scintillation technique