子公司称，很多中小部件都可以在几小时或几天内从计算机设计直接转变为符合生产质量需要的金属零部件，而使用传统工序需要好几天或几周时间。

It says many small and medium-sized components can be turned from computer designs into production-quality metal parts in hours or days, against days or weeks using traditional processes.

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对许多材料而言，将它们转变为有用的原始材料的过程是非常简单的：金属物被压碎成碎片，纸被融合为纸浆而玻璃制品则被碾成玻璃碎末。

For many materials the process of turning them back into useful raw materials is straightforward: metals are shredded into pieces, paper is reduced to pulp and glass is crushed into cullet.

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研究基于热传输理论的熔融金属从液体转变到固体状态变化过程是铸件凝固研究的重要分支。

Research on that metallic melts transforms from liquid to solid state based on heat transfer theory is an important discipline in casting solidification.

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It's magical.It's sorcery to take an ore and convert it to metal. It's magic. It still amazes me today.

非常神奇，采取矿石并将其转变为,金属非常神奇，我现在仍然很吃惊。

麻省理工公开课 - 固态化学导论课程节选