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纳米是长度单位,1纳米等于10亿分之1米,纳米技术就是在纳米的尺度范围内,设法组成新物质,开发新应用的技术。纳米技术已经进入我们人类的普通生活当中,你见过这样的纳米技术产品吗?▲在血管中航行的纳米机器人。它正在使用纳米切割机和真空吸尘器来清除血管中的沉积物。在血管
Nanometers are units of length. One nanometer is equal to one billionth of a billion. Nanotechnology is trying to compose new substances and develop new applied technologies within the scale of nanometers. Nanotechnology has entered our ordinary human life. Have you seen such a nanotechnology product? ▲ A nanobot who sails through blood vessels. It is using nano-cutting machines and vacuum cleaners to remove deposits from blood vessels. In blood vessels