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53! 53!! 53!!!这不是一个简单巧合的数学数字,而是一个真实的考察活动的故事.第一个53是美国军用运输机C—53型飞机的型号:第二个53是C—53型飞机的第53号飞机;第三个53是53个年头.
53! 53 !! 53 !!! This is not a simple coincidence of mathematical figures, but a true story of the inspection activities.The first 53 is the type of US military transport aircraft C-53 aircraft: the second 53 is C 53 aircraft of the Type-53 aircraft; the third 53 is 53 years.