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今年5月,赴美参加学术研讨会。所到之处,感受颇深。现将一路之行的各种亲身体会,及美国军用民用航空印象记录如下。
In May this year, he went to the United States to attend an academic seminar. Wherever I went, I felt very deep. We will record the various personal experiences of the trip along the way and the impressions of the US military civil aviation as follows.