3D打印应用领域.主要有九大应用领域，分别是科学研究，文物保护，医疗行业，建筑设计，产品设计，工业制造，汽车制造，动漫娱乐，配件饰品。-3D printing application areas, including scientific research, preservation of cultural relics, medical industry, architecture design, product design, industrial manufacturing,automob