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今年是现代火箭登上历史舞台50年,半个世纪的沧桑,火箭和人类的面貌都今非昔比,但回顾这段历史,仍然可以从中得到许多有益的感受。
This year marks the 50 years and the half-century that modern rocket landed on the stage of history. The rocket and the human face are all out of the past. However, we can still find many useful experiences in reviewing this history.