单原子金属晶体晶包的 数量级是10(-10)m。化妆品里的有机物都是大分子吧。纳米技术。。。^_^
单原子金属晶体晶包的 数量级是10(-10)m。化妆品里的有机物都是大分子吧。纳米技术。。。^_^
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