發送短信 : Importance sampling of word patterns in DNA and protein sequences

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