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以一个所有人都没有想到的形象，出现了。不用、不用。The construction of intelligent factories is undoubtedly an important way for manufacturing enterprises to transform and upgrade. At the same time, the blueprint for the construction of intelligent factories should be reasonably planned around the medium and long-term development strategy of enterprises and according to the characteristics of their own products, processes, equipment and orders. On the basis of promoting standardization and standardization, starting with the most urgent problems to be solved, we will practically promote the construction of intelligent factories.The people watching this case are especially uncomfortable! To be extremely miserablePublic void del (Observer observer);Set the value of the enchanted attack card to N (the physical attack card adds weapons, the physical attack attack does not increase the number of N on the panel) the face physical attack = (A + N) + (A + N) x0.004 xB"Is-A" refers to the "one" of one class and belongs to another class, while "Has-A" is different, which indicates that a certain role has a certain responsibility. A common reason for the wrong use of inheritance instead of aggregation is to mistakenly treat "Has-A" as "Is-A". For example: