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.
光感受器是通过发出化学信号来对光作出反应的细胞。
Photoreceptors are cells that respond to light by sending out a chemical signal.
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.
例如，经过训练的观察者主要通过对光谱中出现的简单线条的精确分析来获取关于恒星的大量信息。
For example, trained observers obtain a very large amount of information about a star mainly from the accurate analysis of the simple lines that appear in a spectrum.
引力透镜公式计算所有的变量，比如距离和密度，对光何时离开背景星系以及行走了多远的距离给出更好答案。
The gravitational lens equations account for all the variables such as distance and density, and provide a better idea of when light left the background galaxy and how far it traveled.
这些转变都对光学增益有贡献。
换句话说，对光逝去的狂怒，现在有了一个强大的技术盟友。
Raging against the dying of the light, in other words, now has powerful technological allies.
心存疑虑的医生检查了他的眼睛，发现它们对光有反应，于是，立刻将他推到急诊室并救活了他。
The doctor became suspicious and examined his eyes. When they responded to light, he was immediately wheeled to emergency surgery and saved.
最常见的症状是颈部僵硬、高烧、对光敏感、精神错乱、头痛和呕吐。
The most common symptoms are a stiff neck, high fever, sensitivity to light, confusion, headaches and vomiting.
最常见症状为颈部僵硬、高烧、对光敏感、精神错乱、头痛和呕吐。
The most common symptoms are stiff neck, high fever, sensitivity to light, confusion, headache and vomiting.
哈尔滨工业大学的导师刘宏表示：“这是一个拥挤的环境，机器人身上的灵敏元件对光和背景噪音都非常敏感。”
Liu Hong, tutor of Harbin Institute of Technology said, "it's a crowded environment, and the sensors in the robots are very sensitive to light and background noise."
身体对光是有感觉的，而在一个全黑的房间里入睡会更方便。
The body responds to light, and it is much easier to sleep in a completely dark room.
粗糙的水面通过对光线进行反射和多角度的散射使得太阳的反射光变得模糊（左图）。
Rough water blurs the Sun’s reflection by reflecting and scattering light in many directions (left).
如果睡觉时你对光敏感，挂上厚窗帘或用眼罩。
If you're sensitive to light while sleeping, get thick drapes to cover your Windows or use an eye cover.
在每个人的人生中都会有一些时刻你需要面对光明与黑暗之间的选择。
In everyone's life there are moments in which you face the choice between dark and light.
其中一个最新的方法是依靠基因，让藻类对光线变得敏感。
One of the newest methods relies on a gene that makes algae sensitive to light.
在所有17种鲨鱼中，最常见的感光细胞是“杆状”细胞，这种细胞对光线非常敏感，可以使鲨鱼具有夜视能力，但这种细胞无法分辨颜色。
In all 17 species, the commonest kind of light receptors were "rod" cells, which are highly sensitive to light and allow night vision but cannot tell colors apart, they found.
由于长期处于地下，作为对光照减少的反应，帮助瞳孔扩张和收缩的化学物质的产生会相应减少。
Living underground can depress production of the chemicals that help dilate and contract the pupil in response to changes in light.
我们已经了解了这些功能和脑部相关部分在夜间的反应，但是对于在日间对光线的反应，我们所知甚少。
While these functions have been recognized and studies have looked at the part of the brain that induces these responses at nighttime, little has been known about daytime responses to light.
所以，密立根的文章根本不像我们现在认为的那样，是对光的量子理论的实验验证。
So Millikan's paper is not at all, as we would now expect, an experimental proof of the quantum theory of light.
研究人员在小鼠脑内注入某种良性病毒，这种病毒使细胞膜上和细胞兴奋有关的离子通道对光产生反应。
Researchers have engineered a benign virus that, when injected into the brain, makes the ion channels—the switches that turn cells on and off—responsive to light.
“植被指数”是对光合作用强度的反映。
对光环效应进行的后续研究发现，它受第一印象影响非常重要。
Later work on the halo effect suggested that it was highly influenced by first impressions.
摄影小贴士：正对光线进行拍摄(背光拍摄)会为头发、服装及其他细小物件添加晕轮效果。
Photo Tip: Shooting into the light, or "backlighting," will add a halo effect to hair and clothing and other details of the subject.
纳米晶体是由一种称为碲化镉的半导体材料所组成，这种材料对光线的吸收效果非常强。
The nanocrystals consist of a semiconducting material called cadmium telluride, which is a very strong absorber of light.
CPV技术大大减少了我们对光伏原材料的需求。而这种原材料是太阳能电厂中最昂贵的部分。
CPV technology reduces the need for large amounts of photovoltaic material, which is often the most expensive part of a solar operation.
然后，我们用石英方解石测量作为位置函数的方向，石英方解石对光的影响这取决于光线的传播方向。
We then used a quartz calcite, which has an effect on light that depends on the direction the light is propagating, to measure the direction as a function of position.
SAD患者可能对光线疗法有效，但是几乎一半的SAD患者对单用光线疗法无反应。
SAD may be effectively treated with light therapy, but nearly half of those with SAD do not respond to light therapy alone.
该研究按照“五大个性特征”给人们打分，并将个性特征和人们对光阴和生活的满意度联系起来。
The study examined how peoples' ratings on the "Big Five" personality traits relates to their approach to time and life satisfaction.
爱因斯坦对光子的确认奠定了20世纪的许多先进电子发明的开发基础。
Einstein's identifying of photons underlay the development of many of the advanced electronic inventions of the 20th century.
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