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简介：As for the previous exercise, Emperor Chongzhen also had doubts. It was not until Zhu Cixi brought out the example of Emperor Chengzu's exercise in the northern suburbs and said that a new fortress had been built in the capital that the capital camp needed to adapt in advance. After Feng Yuanbiao, Minister of War, expressed support, Emperor Chongzhen It was a nod, but the money and food spent on the exercise were strictly controlled.