搜索 - 科创

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3D打印（3DP)即快速成型技术的一种，它是一种以数字模型文件为基础，运用粉末状金属或塑料等可粘合材料，通过逐层打印的方式来构造物体的技术。 3D打印通常是采用数字技术材料打印机来实现的。常在模具制造...

中文名: Altium Designer Summer 09 资源格式: 安装包版本: (含破解) Build9.3.1.19182 发行时间: 2009年制作发行: Altium地区: 美国语...

Down 综合征(Down’s syndrome)也称21 叁体综合征(trisome 21syndrome)和先天愚型等。这是人类最常见的染色体疾病，新生儿发病率为1/700～1/600，是精神发育...

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