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埃菲尔铁塔因其理想的建筑结构,实现了令人吃惊的轻量化,而如今纳米结构的研究,更是为轻型材料带来了新突破。美国加利福尼亚大
The Eiffel Tower has achieved astounding weight savings due to its ideal building structure, and now nanostructures have led to new breakthroughs in lightweight materials. California, United States