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Male models and actors from mainland China are representative works such as "Accompany Anthony through Long Years" and "Rescue Against Time".大王。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听说晚上临睡还要吃一顿，早上寅正时分起床。　　求问：这出始于谎言的“塑料情侣”大剧，她究竟要不要假戏真做？《欢天喜地对亲家》讲述了东北民俗“对亲家”婚俗背景下的冲突与矛盾，一众东北笑星联手上演了一部热闹非凡其乐融融的喜剧故事。郑爽在剧中饰演的乡村女教师是一位温婉大方、细致入微、善良热情的“心灵导师”。智慧与美貌并存的她深受孩子们的喜欢，独特个人魅力在情感上也让她面临着两难的抉择。曾小慧原本是结过婚，但是后来由于丈夫的性格懒惰、不求上进，外加出差在外背叛两人的爱情，与城里姑娘产生感情最终导致两人婚姻走向灭亡。两人离异之后前夫很不甘心，屡次破坏现在追求者对小慧的情感表白。希望能够再次与小慧重归于好。这样纠结的情感给她的生活带来极大的困扰。3. Not grasping the opportunity, In June, The surrounding farmland drains water, Add in half of the high temperature water, Not catching and selling shrimps in time, Causing a great deal of damage, Before that, a small cage can be filled in an hour or two. A ground cage can catch dozens of catties at a time. Later, in July, I bought another 40 ground cages, and on the first day I caught more than 100 catties. Later, it was basically 50 catties-30 catties-less than 10 catties per day. In mid-August, I drained the pool water, but I didn't see a few shrimps. This shows that lobsters died and ran a lot at that time, causing heavy losses.