Colors of light signals 灯光信号颜色
The graphic below shows how a few different colors of light oscillate over time.
下图显示了几种颜色的光如何随时间振荡。
A team of astronomers has figured out which colors of light future telescopes should look for.
一个天文学家团队已经找出今后的望远镜应该寻找哪些颜色的光线。
For instance, red colored objects reflect only red light and absorb the other colors of light in the rainbow spectrum.
打个比方,红色的物体只反射红光而吸收光谱中其他颜色的光线。
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