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Inland Revenue Department Tel: 12366; Personal tax software telephone number: 400-71-12366; National Tax Electronic Tax Bureau Tel: 400-98-12366Peripheral interface circuit part一个不知天高地厚的高中生成为大企业的领导之后发生的一系列故事的浪漫喜剧。徐仁国在剧中饰演的角色是高中曲棍球队的主攻手，是该校最具人气的高中生。他将代替身为IT专家的哥哥成为某公司的企划室长，上演一系列曲折有趣的故事。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 BaiduA. Men: 56KG, 62KG, 69KG, 77KG, 85KG, 94KG, 105KG, + 105KG;On August 9, Li Qiang conducted a survey in China Micro Semiconductor Equipment (Shanghai) Co., Ltd. Photograph by Chen Zhengbao