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超微粒材料是一种介于原子、分子与块状材料之间的新材料。它的颗粒尺寸在1～100纳米(1纳米等于1米的十亿分之一)之间,是一种具有广泛发展前景的新型材
Ultra-particulate material is a new material between atoms, molecules and bulk materials. Its particle size is between 1 and 100 nanometers (1 nanometer equals one billionth of a meter) and is a new profile with broad prospects for development