2-d objects 二维目标
While Hubble pictures of celestial objects are awe-inspiring, they are flat 2-d photographs.
哈勃拍的天体照片让人惊叹，但它们是二维的。
Researchers at North Carolina State University have managed to create a surprisingly simple method for converting 2-d patterns into 3-d printed objects.
北卡州立大学的研究员打算发明一种神奇而又简单的方法来使2d图案变3d。
Emphasizes the problem of representation, exploring the issue of how 3-D objects should be encoded so as to efficiently recognize them from 2-D images.
着重于物体的呈现方式，检视3度空间物体如何有效率地对应边编码成可供辨识的2度空间影像。
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