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58. X.X.148而这一切还只是开始，一个巨大的灾难正慢慢朝这个村子袭来……MDT team members should have corresponding training opportunities to enhance their professional skills and cooperation ability in MDT team.　　传说里，有一个女孩，心上人，飘流在海外，3. When a ship has any doubts about the existence of such a situation, the ship shall assume that such a situation does exist and take corresponding actions.After understanding the history and classification of design patterns, how should we learn design patterns? Before learning the design pattern, readers must establish a kind of consciousness, that is, the design pattern is not only a method and technology, but also an idea and a methodology. It has nothing to do with the specific language. The main purpose of learning design patterns is to establish object-oriented ideas, program to the interface as much as possible, with low coupling and high cohesion, so that the programs you design can be reused as much as possible. "Specious. Learning design patterns can better understand object-oriented ideas. Design patterns are some design skills and tricks. Don't rise to ideas and methodologies, okay?"