The eye has a harder time differentiating two values in lower light.
这是因为在弱光环境中眼睛对不同调子区分能力降低。
Halogen spotlights to use more traditional, lower light, more power, increased by exposure to ambient temperature, short life.
传统射灯多采用卤素灯，发光效率较低、比较耗电、被照射环境温度上升、使用寿命短。
Rods are able to function in much lower light than cones - and these were the most common cell types found in all of the sharks.
对于人类而言，视网膜由密集的光感棒体以及视椎体细胞组成。 棒体细胞在弱光条件下比椎体细胞更容易发挥作用，并且这些细胞也是在鲨鱼视网膜内发现的最常见的细胞类型。
The lower light and lack of gadgets and maintenance make these tanks much more efficient and cheaper for folks. If you leave for a week, the tank does fine as is. No worry.
低光照，器材简单，维护量小是这种缸的特点，所以说省钱省心，即使你出去旅游了一个礼拜也不要紧。
Their ability to see in slightly lower light than native stingless bees gives the honeybees a competitive advantage at night. Earlier in the day the natives often block access to flowers.
当光线较弱时，非洲蜂的视力比本地麦蜂要更好，因此它们在晚上觅食更有优势，而白天的花朵则被本地麦蜂所霸占。
A new type of high contrast filter has been investigated in this paper. lt has features of lower light reflection on surface, selective transmission and effective electromagnetic screen.
本文介绍自行研制的高对比度滤光片。它具有较低的表面光反射率、选择性透过率和电磁屏蔽特性。
That's because the eye sees a light show created by oxygen atoms at lower altitudes, about 62 to 186 miles (100 to 300 kilometers) above the surface.
这是因为我们看到的是由氧原子在较低的天空形成的光线秀。距离地面约为62 ~ 186英里(100 ~ 300公里)。
The devices, which register depth and light every second, were taped to the lower back, so that they caused the least amount of drag.
这种可以每秒钟记录深度和光线的装置被固定在企鹅的背上，以将阻力减到最小。
The light we emit is about 1000 times lower than the naked eye can see.
我们身体所发的光比肉眼能见的低1000倍。
But scientists predicted that last Sunday's strong burst would bring the light show to slightly lower parts of the globe.
不过科学家预测上周日的强烈太阳爆发能把极光带到一些纬度相对较低的地方。
The plan is to shift to efficient, low carbon bus rapid transit systems and light rail, and to retire old buses and replace them with lower carbon alternatives, such as hybrid vehicles.
城市交通规划的目标是向节能、低碳型快速公交系统转变，淘汰老旧公交车，用混合动力车等低碳车辆对其进行更换。
This, in turn, will lower the depth and turbidity of water in mountain streams, increasing the amount of damaging ultraviolet light that reaches the stream beds.
这反过来又会降低山区溪流的深度和浑浊度，增加紫外线到达河床造成的损害。
The power density is about a factor of ten lower than in the light water reactor.
功率密度这个因素要比,轻水反应堆低10倍。
Ionized by energetic starlight, a hydrogen atom emits the characteristic red H-alpha light as its single electron is recaptured and transitions to lower energy states.
氢原子被高能的恒星光离子化之后，在它的单个电子重新被捕获并跃迁到低能级上时会放出典型的红色h - alpha光。
Most of the red dots in the lower right of the image have no counterparts in visible light images, and only some have been cataloged by previous infrared surveys.
照片右下角大部分的红点在可见光区没有物体与之对应，其中有一些区域在先前的红外调查中已被登记在册了。
And while aurorae are normally visible only at high latitudes, they can light up the sky even at lower latitudes during a geomagnetic storm.
虽然极光通常只出现在高纬度地区，但是在磁暴发生时，极光也能点亮稍低纬度地区的天空。
The lower one captures longer wavelengths that have passed unperturbed through the upper, and also any lower-energy light that has been re-emitted within the top layer and somehow escaped.
较低的一层俘获通过上层的未经干扰的波长较长的光线，也能吸收顶层重新放射和侥幸逃脱的低能量的光。
The delicate luminous glow of Zodiacal light, sunlight scattered by dust along the ecliptic, also rises above the horizon from the lower left.
黄道光微微发亮，阳光被黄道上的尘埃散射形成，也从左下角的地平线向上伸展。
Now those light clouds are dissipating, again unveiling the lower dark clouds.
现在那些淡色的云层正在消散，低层的黯淡云层再次显现出来。
The solution to light pollution is to use lower-wattage outdoor bulbs and full cutoff shielding.
解决光污染的方法就是使用低瓦数的户外灯泡与完全阻隔溢光的遮罩。
In many cases the difference was significant.? Nearly 40% of all workers who got new jobs said their paychecks were at least 20% lower than what they used to earn. So far hiring has been very light.
在有些情况下，上一份的工资和目前的相比差异很大，超过40%的员工说他们的新工作的薪水要比上一份工作减少了20%以上。
Given that emissions are already relatively low in Brazil's energy sector in light of its renewable matrix, opportunities for reduction are lower.
从巴西的可再生能源结构看，巴西能源业的排放水平相对较低，鉴于此，实现进一步减排的可能性较小。
A ceiling fan can lower a room's temperature by several degrees. Even something as simple as switching to compact fluorescent light bulbs can make a big difference in electricity bills.
安装一个室内温控器可以节省12%的电费，在天花板上安装吊扇可以降低几度室温，甚至使用节能灯泡都有助于显着减少电费。
Sales of cars and light trucks in December 2008 were 35.5% lower than the year before.
2008年12月，轿车和轻型卡车的销售比去年减少了35.5%。
I will be more light centered and less lower dimensional.
我将会是以光为中心的，较少低次元的。
But Sharenow and Horn didn't believe a lower-brightness light could produce the market results they were after.
不过Sharenow和Horn不认为一款低亮度的照明产品能带来他们追求的市场反应。
But Sharenow and Horn didn't believe a lower-brightness light could produce the market results they were after.
不过Sharenow和Horn不认为一款低亮度的照明产品能带来他们追求的市场反应。
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