發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Design and performance study of MAC protocols in muti-hop wireless sensor networks