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(4) Electronic time relay is also called electronic time relay, which uses delay circuit to delay. This relay has high precision and small volume.You can see that PizzaStore depends on a SImpleFactory, which depends on an abstract pizza. Under normal circumstances, to decouple, control inversion is required. The core idea of control inversion is that neither the upper structure nor the lower structure depends on implementation, but on abstraction.Serbia: 450,000　　苔玲在那干的很努力也很开心，每次做完以后都要在显眼的地方留一张字条再出来。 　　启柱回到家常常看到字条，但从未放在心上。苔玲在启柱家做的很开心，启柱不在的时候就像在自己家里一样洗澡、听音乐。回到家的苔玲因为交不起房租被房东赶了出来…… 　　殊不知这是他们为自己的侵略丑行找的一块遮羞布而已。MoveRegarding China's economic development, the 19th National Congress of the Communist Party of China made an important judgment, that is, China's economy has changed from a stage of high-speed growth to a stage of high-quality development, and is now in a key research period of transforming its development mode, optimizing its economic structure and transforming its growth power.