Those creatures have long had four-color vision, but a key difference is that their fourth type of color detector is in the high-frequency ultraviolet range, beyond where humans can see.

这些动物早已拥有四色觉，但关键的区别是，他们的第四种颜色位于高频的紫外线区域，在人类可视范围之外。

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WFC3's broad wavelength range, from ultraviolet to near-infrared, reveals starsat different stages of evolution, allowing astronomers to dissect the galaxy'sstar-formation history.

WFC3的光谱范围从紫外线到近红外线，揭示了恒星不同的演化阶段，这使天文学家得以剖析星系的恒星形成历史。

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In the new study, the physicists shot xenon atoms with FLASH, an X-ray laser that USES intense photons in the extreme ultraviolet energy range, about forty times the energy of visible light.

在这个新的研究中，物理学家们用一种处在极紫外能量范围的强光子X射线激光器发出的闪光照射氙原子，所用闪光的能量是可见光能量的40倍。

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Special paints are needed to protect the airframe, over a wide range of temperatures, from wind, weather, ultraviolet radiation and exhaust fumes.

ECONOMIST: It’s a wrap | The