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庞取义心头一紧：哪里的军情？他说不清楚。The author's skill level (not very high, selling equipment after finishing escort every day):小葱对红椒道：回头你把这些写在纸上，天天教他背。Behind both analysis and synthesis is classification ability. Analysis is to find differences in one class, while synthesis is to find commonality in different things, which is equivalent to the dimension of classification. In fact, the core of pyramid principle and structured thinking is classification ability. This is also why many people have learned pyramid principles or structured thinking, but they still cannot analyze and solve problems because they have not accumulated a large amount of knowledge in a certain field (declarative and procedural knowledge, situational knowledge) and do not have conceptual ability in the field.他旁边倒了一具无头元军。Twenty-eighth fire technical service institutions shall sign labor contracts with employees in accordance with the law to strengthen the management of their employees. Registered fire engineers are not allowed to practice in more than two social organizations at the same time.