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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:张家再风光。整部剧围绕着何索饰演的李泽宇与女主诗琪之间的爱情纠葛为中心，讲述了以民航为背景下两人分分合合的都市爱情故事。Hunan Province　　遭敌反扑“围剿”失败后，韦拔群到广州。进入广东农讲所学习。后他返回东兰，也建立农讲所，教育、组织农民起来进行革命。大型革命电视剧《兵出潼关》，以抗战时期潼关军民浴血抗击日本帝国主义保卫家园史实为题材，在潼关开拍，再现了潼关在抗战时期的历史作用。《兵出潼关》是由陕西文化产业影视投资有限公司投资制作的一部35集电视连续剧，由马建安担任策划，执导过《最后的疯狂》名剧著名导演史晨风担任导演和编剧，著名演员谷智鑫、刘佳担任男女主演，著名演员刘晓虎倾力出演，在潼关计划拍摄时间3个月左右。该剧是对抗日战争时期潼关铁血男儿精忠报国的深情缅怀和歌颂，是宣传潼关、宣传陕西的影视力作。不如随周青上天，也许周青真有点面子，让玉帝小惩大诫他们一番，此事从此揭过。