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再说，军中这条件，想洗干净也不容易，还是别费事折腾了。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 BaiduDouble Difference Analysis and Strategic Goal Design (STEP 1-STEP 2): BLM is a method that starts with "gap" and ends with making up for "gap". This is the main line of business strategic planning. The generation of gap comes from the expectation of the top management of the enterprise for future goals. Undoubtedly, the strategic objectives of the business line mainly come from the decomposition of the company-level strategic objective system.From building a well-off society in an all-round way to basically realizing modernization, and then to building a modern and powerful socialist country in an all-round way, it is a strategic arrangement for the development of socialism with Chinese characteristics in the new era. So, how to achieve good goals, The report of the 19th National Congress pointed out that in order to realize the goal of "two hundred years", realize the Chinese dream of the great rejuvenation of the Chinese nation and continuously improve the living standards of the people, we must unswervingly take development as the Party's top priority in governing and rejuvenating the country, adhere to the liberation and development of social productive forces, adhere to the direction of socialist market economy reform, and promote sustained and healthy economic development. So how does it develop?李敬武哪里肯信，整日缠磨，惹得板栗见了他就跑。2. Civilian players may not be able to break the defense of local tyrants in the later period. Because the attribute income is linear and does not decrease, when someone smashes a huge amount of resources to pile up the defense, low-percentage characters such as Blowing Snow will be the first to hit single-digit damage.When you click on the character with the mouse, he will also talk to you: "Hello, I'm Mark, shall we go for an outing together?" .