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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:PS: There are many other boxing methods. Generally, the damage energy ratio is about 50, with different buff. It is not bad either. It is just not within our consideration, but you are also welcome to add.在谈到她在新系列中的角色时，克莱尔·斯金纳说：“我是麦当劳和多德的超级粉丝，所以我很高兴能加入演员阵容，担任总警司奥蒙德。奥蒙德是一个安静而吓人的角色，所以她会在这部新系列中时刻关注麦当劳和多德。”李敬文没有应声，不知为什么，他脸色很不好看。现在朝堂之上秦国一系的文臣武将的比重已经有些太高了，这对任何的君王而言都必须要警醒。Do you still remember the "counter" we mentioned earlier? At this point, we look at the rules in iptables again, and we can see that 24 packets have been matched by the corresponding rules, with a total size of 2016bytes.剧照