The child learning to see first distinguishes only two-dimensional shape; it cannot judge distances, depths.

正在学看东西的小孩子，开始时只能分辨二维形态，他不能判断距离和深度。

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Google created some seriously nifty infrared camera technology that detects the three-dimensional shape and angle of book pages when the book is placed in the scanner.

Google公司开发了一些非常精巧的红外照相机技术，可以探测放在扫描仪里的书籍页面的三维形状及角度。

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Proteins, which are the building blocks of life, come in long chains of molecules that work properly only once they have folded into their final, three-dimensional shape.

蛋白质是生命的建造材料，它们是长分子链，只有在这些分子被组合成最终的三维形态时才可正常运作。

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