Car companies already use 3D printers to make life-size models of car parts, and medical companies use the technology to make man-made body parts.

汽车公司已经在使用 3D 打印机制作真实大小的汽车零件模型，医疗公司也在使用这项技术制造人造身体部件。

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3D printers are already used to make life-size models of car parts, and man-made body parts, such as ears.

3D 打印机已经被用来制作实物大小的汽车零件模型和人造身体部位，例如耳朵。

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Climate models used to predict modern levels of man-made global warming, temperatures in the mid-Pliocene should have been lower.

用来预测现代的人为全球变暖程度的气候模型显示，中新世的气温应该更低。

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At an event here, Jeff Clarke, senior vice president and general manager of the Dell business product group, said the new models represent a million man-hours of research, more than 3, 200 prototype test units and feedback from more than 4, 000 customers.

FORBES: Magazine Article

At an event here, Jeff Clarke, senior vice president and general manager of the Dell (nasdaq: DELL - news - people ) business product group, said the new models represent a million man-hours of research, more than 3, 200 prototype test units and feedback from more than 4, 000 customers.

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Those models are all based on the circular assumption that the theory of man caused global warming is true.

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