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Second, operate the menu "Drawing", "Block" and "Definition Attribute", or directly run the command "attdef", enter "Elevation" in the "Mark" in the "Definition Attribute" window, enter "Elevation =" in the "Prompt", enter "00.00" in the "Default", use 3.5 for "Text Height", and press "OK" to close the window.再不然，根本就是王府人指使的？是谁？难道他心虚害怕了？张槐张杨听后一齐转向童侍郎，脸阴沉的可怕。Stephen opened the portal and went to Tony's ward. At that time, he didn't find it. He just saw Tony smiling easily and held a fluke. He thought that the man's lucky injury was not serious. Now he saw it with his own eyes and couldn't say the taste. The man was surrounded by cold metal instruments, which made it impossible to approach. Stephen smiled and said, "It's really difficult to get closer..."永平帝发现，穷途末路时，他所能依靠的，还是张家和郑家。Explain that in the OrderPizza method, we do a lot of things, including calling the CreatePizza method to generate a desired pizza, and then doing a series of operations on the pizza. The key point is that Pizza is defined as an abstract class, which means that in the OrderPizza method we don't care what type this Pizza is at runtime, in other words, this is decoupling. The coupling between PizzaStore and Pizza is uncoupled.This chapter is the last lecture on design patterns. It will talk about the third design pattern-behavioral pattern, with a total of 11 types: policy pattern, template method pattern, observer pattern, iterative sub-pattern, responsibility chain pattern, command pattern, memo pattern, state pattern, visitor pattern, intermediary pattern and interpreter pattern. I have been writing about design patterns for a long time. At last it's halfway through, Writing a blog post is a very time-consuming thing, Because I have to be responsible for the readers, Whether it's graphs, codes, or representations, Everyone hopes to write it as clearly as possible so that readers can understand it. I think both I and the readers hope to see high-quality blog posts come out. Starting from myself, I will stick to it and update it continuously. The continuous motivation comes from the continuous support of readers and friends. I will do my best to write every article well! I hope everyone can give opinions and suggestions continuously and jointly create a perfect blog post!Maintain the synchronization of material flow and information flow in production, so as to achieve the right quantity of materials, enter the right place at the right time, and produce the right quality products. This method can reduce inventory, shorten working hours, reduce costs and improve production efficiency.