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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.Behavioral pattern is an abstraction of dividing responsibilities and algorithms among different objects. Behavior patterns are not only about classes and objects, but also about their interactions. Behavioral patterns can be divided into two types: class behavior patterns and object behavior patterns.1. Write synonyms. Visit-(visit) narrow-(narrow) perplexity-(perplexity)至于这位伙计最后的那点家产，也跟着未亡人进了何府。刘邦既然敢这么做，想必也是韩信那边露出了什么苗头吧。19. Strong bureaucratic consciousness. Many people who come in by virtue of their relationships take the right not to do facts, which will only affect their work.由张挺导演，段奕宏、章婷婷、陈冲、廖凡、李丞峰、曾江主演的电视连续剧《海上孟府》讲述的是作为山东孟子后人的家族领导者孟文禄，接受新式教育，也仍传承着“天下兴亡，匹夫有责”的儒士精神，留学回国后极力撇清家族经济与黑帮非法势力的勾结，将家族未来寄希望于实业救国的道路，以拯救风雨飘摇的中国，于是上海滩这一场权力交替的大戏，正式拉开帷幕。