随便乱扔都不会掉地上的回旋纸飞机你会玩吗 ...
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火星探索新利器:“纳米纸飞机”将如何助力人类揭秘火星?“纳米纸飞机”是由纳米纸板制成的,这种纸板的主要材料是氧化铝薄膜,其硬度和强度远超普通纸板。 纳米纸飞机不仅重量轻,而且弹性大,可以 ...
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