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那些军汉都轰然议论起来，有人问道：黎火长，这是怎么回事？小葱道：小弟马上去见指挥使大人，跟大人分说清楚，让大人放了他。网友们不停报价，到了后面，有人甚至报出了几十万的高价，这当然是喊着玩的，但是如果谁真有这张书签，一万元以下，还是很好卖的。The principle of opening and closing means opening to expansion and closing to modification. When the program needs to be expanded, the original code cannot be modified, but the original code should be expanded to achieve a hot plug effect. Therefore, a summary of one sentence is: in order to make the program scalable, easy to maintain and upgrade. To achieve this effect, we need to use interfaces and abstract classes, etc. We will mention this point in the later specific design.　　接受了西方自由平等民主思想的曹家二少爷曹光汉，发誓要振兴民族工业，他选择了制造火柴，花了一大笔钱购买了欧洲淘汰的机器，并且请来了瑞典机械师路卡斯，在家乡榆镇成立了工厂，取名……香凝刚刚想要再说什么的时候，一名侍女匆匆来报：苏岸将军有紧急军情禀报。(1) Application Form for Qualification of Fire Protection Technical Service Institutions;