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讲述九十年代早期，十六岁的Erin和家人、朋友在“北爱尔兰问题”时期的故事。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.Model Reconstruction: The key idea here is that attackers can recreate the model by probing the public API and gradually improve their own model by using it as Oracle. A recent paper (https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_tramer. Pdf) shows that this attack seems to be effective for most artificial intelligence algorithms, including support vector machines, random forests and deep neural networks.他心里一激灵，迅速作出判断：还是去比较好，可不敢耽误事。顾涧看着刘副将军等人。Group B is the same as group A;