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UnicomYou can use the joystick or mouse to control the flight simulator function. To use the mouse, click the mouse in the center of the screen to change the cursor to + (cross). You can pause or continue the flight simulator at any time by pressing the space bar. To take off, press the Page Up key to increase the driving force and move the plane to the runway. After the plane starts to move, move the mouse or joystick slightly back and down. With enough speed, we can take off. To change the direction or tilt of the plane, use the mouse or joystick to move it slightly. Please be careful not to overcompensate. After the wing remains horizontal, center the mouse or joystick.This is the basis of the opening and closing principle, and the specific content: interface-oriented programming, relying on abstraction rather than concreteness. When a specific class is used when writing code, it does not interact with the specific class, but interacts with the upper interface of the specific class.就在郑家和赵家人准备走的时候，荣郡王坐轿赶来了，先跟胡敦低声说了两句，然后过来跟郑长河等人见礼。Let's first understand the column children that proxy objects are instantiated instead of ontology objects. For example, Jingdong CEO wants to give a gift to milk tea sister now, but if the CEO is embarrassed to give it, or has no time to give it due to busy work, then he wants to entrust his agent to do it at this time, so we can use the agent mode to write the following code:萧华在日本留学期间与芸子相爱,可是遭到了芸子的哥哥中村的极力反对,萧华只好一人回到中国。回到家乡的萧华得知父母早已去世，村里大部分的人都出外淘金，但没有一个人活着回来。他从逃出矿区的两位大哥口中得知，原来日本人假借淘金的幌子骗人去挖钨矿，而矿区的负责人正是中村。萧华知道钨是建造枪炮的重要元素，他混进矿区想联合所有矿工的力量阻止日本人的恶行。芸子在矿区附近开了一家矿工医院，遇见萧华后决心要与萧华在一起，然而萧华和矿工正在密谋炸毁日本人准备运回国的钨矿，他不能答应芸子和她一起离开这里……以现代艺术校园生活为背景，主要讲述了游戏少女夏晚，意外偶遇高冷学长辜寒飞，误打误撞进入南海市第一艺术中心，在冷酷傲娇学长及乐团成员间引发了一场场啼笑皆非的事故，最终夏晚究竟情归何处？高冷学长和暖心学长究竟谁才能赢得夏晚的芳心？