这是用来阻挡太阳直射光线的。
分析表明，溶解的有机物质吸收了足够的来自太阳光线的蓝色波长，使冰看起来是绿色的。
Analysis shows that the dissolved organic material absorbs enough blue wavelengths from solar light to make the ice appear green.
随着地球围绕太阳的轨道和轴的倾斜将我们带到这个半球，我们更远离直接接收太阳光线的地方。
Earth's orbit around the sun and tilt on its axis combine to carry us in this hemisphere further away from receiving the sun's rays most directly.
随着我们年龄的增长，眼睛的晶状体变厚，因此对光线的折射也会发生变化。
As we age, the lenses of the eyes thicken, and thus refract light differently.
工匠们对玻璃进行试验，为了找到更好地折射光线的方法，在摆弄工艺的过程中发明出了显微镜和望远镜。
Microscopes and telescopes were invented by way of artistic tinkering, as craftsmen experimented with glass to better bend light.
蝙蝠们遇到了一个技术上的难题：如何在没有光线的条件下认路和捕食。
Bats have an engineering problem: how to find their way and find their prey in the absence of light.
因此，木卫二的地下海洋中光线的缺乏，并不意味着不可能有生命形成。
So the lack of light in Europa's subsurface ocean doesn't automatically rule out life forming.
研究小组发现这些鱼的水平细胞对光线的敏感度比它们的同伴锥细胞弱数千倍。
The team found that these fish horizontal cells are thousands of times less light sensitive than their partner cone cells.
出现在肉眼面前的光亮，事实上是频率不同的光线的叠加。所以，这是量子化的。
What appears to the naked eye to be glowing is actually a superposition of different lines of distinct frequency. So, this is quantized.
清单8描述了设置不同光线的方法。
光线的方向会根据对象的位置发生反射。
The direction of light reflected from an object depends on its alignment.
本质上而言，量子点是用来改变光线的颜色。
In essence, quantum dots are used to change the colour of the light.
示例：追逐光线的漫游机器人。
放射光：一个像炽热的物体那样发射光线的对象。
Emissive light: an object can send out light to imitate glowing objects.
这种前所未有的对光线的描绘对他们来说好似侮辱。
他们被设计成具有普通物质没有的弯取光线的能力。
They are designed to bend visible light in a way that ordinary materials don't.
阵列中液晶的位置控制反射的光线的方向。
The alignment of the liquid crystals in the array controls the direction in which light is reflected from them.
凡有暖色并有充足光线的地方，人们通常想要积极活动。
Where there are warm colors and a lot of light, people usually want to be active.
如果镜子是倾斜的，则光线的入射角和反射角是完全相同的。
If the mirror is tilted, the light's entry and exit Angle will be exactly the same.
径向速度是一项搜寻行星技术，可以通过寻找恒星光线的摆动。
Radial velocity is a planet-hunting technique that looks for wobbles in a star's light, which can indicate the gravitational tugs of orbiting worlds.
这意味着，在焦平面被移动的情况下，仍可以确定光线的方向。
This in turn means that it is possible to determine where the ray would strike if the focal plane were moved.
钨丝灯光明显偏黄，而且反射这种光线的表面也会呈现出相应的颜色。
Tungsten light bulbs cast very yellow light. And any surface that light bounces off can add its color.
光线的波长——即是对应着其颜色——取决于该微粒的尺寸。
The wavelength, and hence the colour, of this light depends on the size of the dot.
材质的颜色与光线的颜色相融合，从而得到最终的对象颜色。
To get the final object color, the material's color mixes with the light's color.
正是这种组织不同图层对光线的反射，赋予了蝴蝶翅膀五光十色的效果。
The way light reflects from different layers gives us butterfly wings’ intense colors.
正是这种组织不同图层对光线的反射，赋予了蝴蝶翅膀五光十色的效果。
The way light reflects from different layers gives us butterfly wings' intense colors.
运用漫散射分散光线的实质还是使光源变广，从而达到柔化光线的目的。
Diffusion scatters light, essentially making the light source broader and therefore softer.
这所以能够这么做，是因为阿尔伯特·爱因斯坦已经证明了的重力弯曲光线的方式。
This could be done because of the way gravity bends light, as demonstrated by Albert Einstein.
这所以能够这么做，是因为阿尔伯特·爱因斯坦已经证明了的重力弯曲光线的方式。
This could be done because of the way gravity bends light, as demonstrated by Albert Einstein.
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