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In addition, they apply different stages of design, and the appearance mode is used in the early stage of design, because the system needs to rely on appearance in the early stage, while the adapter is applied after the design is completed. When it is found that the designed classes cannot work together, the adapter mode can be adopted. However, in many cases, the use of adapter mode should be considered at the early stage of design, such as involving a large number of third-party application interfaces. Proxy mode is that after the mode is completed, it wants to be provided to other clients in the form of services for calling. At this time, other clients can use proxy mode to access the module.啪啦——啪啦的键盘敲击声响起。　　巡山队员在遍布危险的茫茫大戈壁上奋力追踪，终于，盗猎者出现在冰河对岸，队员们不顾一切地冲入湍急的冰河之中。一场生死搏斗之后，只捕获了一些盗猎分子， 狡猾的盗猎头子再次漏网……(2) Take the department as the unit, the company will provide holidays for each cycle, the department manager will pay or AA system, and organize the department personnel to travel and play in the surrounding area.　　原来，乔家有惊天秘密乐安郡主脆声叫道。子女孝顺父母，不仅是物质上，更应该在感情上多沟通，多交流，让父母不再担心、操心。