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Last article: BIM Entering Tibet: On-the-spot Report of BIM Technology Application in Shannan People's Hospital Project2018-03-05 11:42:07For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.这可是京城，跟乡下不一样，吵架得讲究点，不能给儿子孙子丢脸不是。吕馨嘴一嘟，不过还是同意洗菜。Deliberate practice does not deny the importance of situation, but in some best sellers, the mainstream methods that have been confirmed by learning science are placed in a humble corner. Tacit knowledge, which is closely related to learning, is ignored. A large number of studies in learning science show that the best way for adults to learn is not to practice alone, but to learn in situations. Effective learning is to enter relevant situations and find one's own "learning community". At the beginning, learners turn around important members and do some peripheral work. With the growth of skills, they enter the core of the learning community circle, gradually do more important work and eventually become experts.She found an English movie with alphabetic subtitles and covered the letters when watching it over and over again. Try to understand what the characters in the film said. In order to test their understanding, after watching it many times. He is showing the subtitles.