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Adapter pattern of the class: When you want to convert a class into a class that meets another new interface, you can use the adapter pattern of the class to create a new class, inherit the original class, and implement the new interface.As shown in the above figure, the server side provides NTP service. Attacker sends an NTP monlist Request to the server, but its source IP address is not its own IP address, but the IP address of the target. After the server receives the request, it will send a Response message to Target (not Attacker). Since Reponse contains 600 time synchronization records with Server, which is much larger than Request and consists of many messages, amplification is realized.当然了，尹旭的采用并非盲目的随便采用的，他所采用的是环首刀。我们现在当务之急的事情是处理好淮南和中原的战事But since then, Li Shanglong has had no contact with this person. Before long, the people in the first dormitory were at loggerheads with this person.他便咬牙道：晚辈想好了。11. Os.getcwd ()--Get current work dir