The process is called Additive Layer Manufacturing, and it works somewhat like a 3-D printer.

这种加工工艺叫作加层制造法，其工作原理有些类似三维打印机。

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As a manufacturing process, 3d printing is what is known as an "additive" technology.

作为一种生产技术，三维打印技术被成为添加生产技术。

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The additive process requires less raw material and, because software drives 3d printers, each item can be made differently without costly retooling.

加法制造的过程中需要的原材料更少，因为3d印制机制由软件驱动，它可以制作所需的不同部件，而不用对每个不同部件进行耗材耗时的更换机械设备。

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The process is called additive fabrication.

VOA: special.2010.10.29

We tend to go with thinner people who have a specific kind of bone structure, so when we put prosthetic on them, because makeup is an additive process, it doesn't look like we're building out their face too much.

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At least seven companies are expected to show 3D printers at CES 2013, demonstrating the potential benefits of the technology for a wide swath of industries and users. 3D printing uses an additive process to create an exact physical duplicate of a product based on a digital model.

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Ott immediately thought of an additive manufacturing process called direct metal laser sintering (DMLS) that she had encountered in her work at a major aerospace company.

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