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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.(3) ntp magnification attackCharacteristics and Application of HDPE Hot Melt Adhesive Powder忽然哈哈大笑，伏在马背上嚷道：会养鸡？嗳哟。A2, 1.8 Chest examination.In addition, system administrator Trevor Pott posted a full and accurate blog post on The Register website (see for details). He admitted that he accidentally became an accomplice to DDoS attacks because "he made a simple configuration error while building a DNS server on the edge of his network. "He called it an" edge scrubber "that acts as a router, distributing IP addresses to servers and routers in the data center. It also represents all other devices on the network, "playing a variety of" boring and rough work "functions. It is a data center/local network time server, an external DNS server, an edge server, and a bandwidth limiter.TreeNode root = null;