By analysing data from a sensor that detects light in both the visible and the near-infra-red spectrum, a computer is able to determine the colour, type, shape and position of each item.

另外，内置传感器可在可视光谱与似乎红外光谱下探测到光线，计算机通过分析传感器的数据后便能够决定每个物件的颜色、类型、形状与位置。

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The WMAP team used computer programs to find the proportion of wave sizes generating the sound spectrum, just as a prism converts light wavelengths to color.

威尔金森微波各向异性小组运用计算机程序去发现产生声谱的微波大小的比例，正象棱镜转换波长到颜色。

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Increasing complexity in the field has pushed more computer specialists toward the higher end of the spectrum, with a bachelor's and even a master's degree in computer science becoming commonplace.

该行业日趋增长的复杂性也迫使越来越多的电脑专家追求更高的境界，如今持有计算机科学的学士学位甚至是硕士学位都是普通了。

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The courses span a spectrum of topics: physics, biology, computer science, engineering, medicine, literature, sociology, poetry, business and many more.

CNN: Top college courses, for free?

Now, however, thanks to the dramatic decline in the cost of computer power, wireless devices are far cleverer, meaning that they can use spectrum more efficiently and are more tolerant of interference.

ECONOMIST: Economics focus