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Information sharing is an important link in attack activities.魏豹风风火火地进入房间。In the system, the client often needs to interact with multiple subsystems, which causes the client to change with the change of subsystems. At this time, the appearance mode can be used to decouple the client from each subsystem. Appearance mode refers to providing a consistent facade for a group of interfaces in the subsystem. It provides a high-level interface that makes the subsystem easier to use. For example, the customer specialist of Telecom can let the customer specialist complete the services such as charging telephone charges and modifying packages without interacting with various subsystems by himself. The specific class structure diagram is as follows:追问才得知上将军中箭，伤情如何却不得而知，顿时骇的面无人色。弟弟Wathit(Toomtam 饰)是养父唯一的儿子，养父是一名北方富有的地主,拥有橘和茶叶的种植园。Wathit自幼体弱,并患有先天性心脏病,所以养父和仆人一直悉心地照顾和呵护他。