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问世近160年的世界博览会来到中国,是21世纪。21世纪在19世纪、20世纪人的眼中是什么样的呢?是科技超级发达、乃至科幻的,是人在与自然关系中的日益强大,看过20世纪中国最有名的科普读物《十万个为什么》的人都有这个体会。现在,代表人类科技最新成果和生存理念的世
The world exposition that came nearly 160 years ago came to China and is the 21st century. What is it like in the eyes of people in the 19th and 20th centuries in the 21st century? It is science and technology that is super-developed and even science fiction. It is an increasingly powerful relationship between man and nature. It has seen the most famous popular science books in China in the 20th century. Why do people have this experience. Now, it represents the latest achievements of human science and technology and the concept of survival.