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一九三四年七月,国民党军又集中三十二个师的兵力向中央苏区中心区域发起全面进攻，形势日益恶化，红军陷入更加被动的境地。中央书记处、中央革命军事委员会被迫进行战略大转移，并命令六军团先行突围，拉开了中国工农红军长征的序幕。注：第一集两集连播，总计26集One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.陈启拿出一支笔随手写出天启两字。该剧讲述了怀揣着完全不同的梦想而来到首尔打拼的乡下人的成功和挫折的故事玉娘麻利地递过一个包袱，说道：这是给你准备的衣物和食物，还有这个水囊，做的不好，你将就着用吧。