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你这个臭小子，你不告诉我，我自己不会去看吗？刚才谁说，我们要和他们划清界线……程小明说了一半，话声突然停了。玉米绕着林子里的树不住转圈，嘴里也不住呼喝狗儿，这边，这边来。特七大怒，又是一巴掌扇过去，这一击重了许多，何永强应声倒地，嘴角多了一处血口子，可即便如此他依然死命地扑腾：救命。The Liskov Substitution Principle (LSP) is one of the basic principles of object-oriented design. The Richter substitution principle says that wherever a base class can appear, subclasses can certainly appear. LSP is the cornerstone of inheritance reuse. Only when derivative classes can replace base classes and the functions of software units are not affected can base classes be truly reused, and derivative classes can also add new behaviors to base classes. The Richter substitution principle is a supplement to the "open-close" principle. The key step to realize the "open-close" principle is abstraction. The inheritance relationship between the base class and the subclass is the concrete realization of abstraction, so the Richter substitution principle is the specification of the concrete steps to realize abstraction. --From Baidu　影片以70年代唐山大地震为背景，以诗意的镜头语言讲述了一个动人凄美的爱情故事：返城小伙子王小土（李滨饰）爱上了美丽的小镇教师欧海恋（于非非饰），而这段恋情却遭遇了欧海恋父亲的反对，一次“偷表”事件令王小土身陷囹圄，两个年轻人的爱情也面临着巨大的考验。2年后，小土和海恋的爱情依然艰难，然而他们却不知道，一场毁灭性的地震灾害将带来永生难忘的伤痛......确定回归时间为美国时间2017年10月10日，播出档期为每周二晚八点。SingleTask