There are radical variations in the way languages carve up the spectrum of visible light;

语言中划分可视光线的光谱中存在根本变化；

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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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A real optical frequency comb spans the entire visible spectrum of light, and has very fine, evenly spaced teeth.

实际光学频率梳横跨整个可见光谱，各齿极细并均匀分布。

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We can plug this in further when we're talking about the visible part of the light spectrum, because we know that for n final equals 2, then that would mean we plug in 2 squared here, so what we get is 1 over 4.

当我们讨论可见光谱的时候,我们可以把这个代进去,因为我们知道n末是等于2的,这意味着我们可以。

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These tools span much of the electromagnetic spectrum from X-rays to ultraviolet to the infrared - and of course microscopy with visible light.

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This part of the infra-red spectrum, with wavelengths close to that of visible light, carries heat energy.

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It arises from light waves in the visible band of the electromagnetic spectrum, the segment with wavelengths of 400 billionths of a metre at the blue end to 700 billionths at the red.

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