發送短信 : Cardinality estimation for random stopping sets based on Poisson point processes

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