中新网国际新闻: 研究人员开发出一种硬而轻的“金属木头”

中新网国际新闻

研究人员开发出一种硬而轻的"金属木头" Feb 2nd 2019, 11:38 　　研究人员开发出一种硬而轻的"金属木头"

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