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在宇宙中遨游一直是人类的梦想,为此,人类不断地进行着大胆的设想和尝试。如今,人类已经可以通过宇宙飞船实现这个梦想。实际上除了宇宙飞船之外,人们还幻想过很多进入太空的方式,早在上世纪70年代就有人幻想建造通向太空的电梯,让人类乘坐电梯到宇宙空间观光旅游。从理论上讲,
Traveling in the universe has always been a human dream. For this reason, mankind is constantly making bold assumptions and attempts. Today, mankind can already realize this dream through spacecraft. In fact, in addition to the spacecraft, people also imagined many ways to enter space. As early as the 1970s, there were people who dreamed of building elevators into space and let humans take elevators to travel in space. In theory,