At night, scan the horizon for artificial light sources, such as fires and streetlights, then walk toward the glow of light pollution.
夜间，仔细眺望地平线，寻找诸如火和路灯之类的人造光源，然后朝光污染造成的光亮走。
At night scan the horizon for artificial light sources such as fires and streetlights, then walk toward the glow of light pollution.
晚上，扫视地平线，寻找像火和街灯的人工光源，然后朝发光的光污染方向走。
Light pollution, or "sky glow", is the glow you can see at night above cities and towns.
光污染，也称“人工白昼”，在夜晚的城镇上空均可见到这种发光现象。
Photographers showed either the beauty of the night sky or the immensity of light pollution from cities.
摄影师们既展示了夜空的美，也揭露现今城市严重的光污染现象。
During the next two weeks, you can help build a map of global light pollution, assisting scientists and astronomers as they monitor the loss of virgin night skies.
在接下来的两周内，您能帮助科学家及宇航员们建立起一张全球光污染地图，因为他们发现夜空不再那么的清澈透明。
The glare of street lights and the dust of pollution veil the night sky.
街灯的光炫携伴烟尘的污影笼罩起夜空。
If you've ever driven toward a big city at night and seen its glow from a great distance, you've witnessed light pollution.
如果你曾经在晚上驾车到过一个大城市，并且远远地看到过它的光辉，你肯定见识过光污染。
Objects in the night sky are resources that provide everyone with wonder. But light pollution threatens to prevent those wonderful sights from being seen.
夜空中的物质是能给人们引起幻想的资源，但是光污染阻止了我们将看到的一些奇妙的影像。
These direct light downward to reduce light pollution and light at night.
这些向下的直射光减少了夜晚的光污染。
The glare of street lights and the dust of pollution veil the night sky.
城市耀眼的街灯、污染的烟尘遮蔽了原本晴朗的夜空。
The glare of street lights and the dust of pollution veil the night sky.
城市中耀眼的街灯和污染性烟尘遮住了夜空。
The announcement came last night as Beijing has extended its orange alert forheavy air pollution again as smog is expected to persist until the weekend.
这个宣布来自昨晚，北京再次发布空气重污染橙色警报，预计雾霾将持续到周末。
Serious PAHs pollution in the night may be produced by the diesel vehicle fuels and exhaust emissions.
研究结果同时显示夜间柴油车所产生的污染不容忽视。
The idea of light pollution has developed with the increase of lights in cities. In many areas, this light makes it difficult or impossible to observe stars and planets in the night sky.
光污染的意识随着城市灯光的增多而加强，在很多地区，这种光使得在晚上观察星星和植物很困难甚至不可能。
Lighting has been designed to avoid pollution of the night sky.
设计了光照设备，以避免夜晚天空的污染物。
Even at night, big cities like New York glow from light pollution, making stargazing2 difficult.
即使在夜晚，象纽约这样的大城市因光污染而灯火通明，使得观望星星困难。
These direct light downward to reduce light pollution at night.
这些向下的直射光减少了夜间的光污染。
In the new century, man begin to realize the important of the environment, especially the indoors environment pollution and security which we live with day and night.
人类进入新世纪，开始越来越认识到环境对我们的重要性，尤其对与我们朝夕相处的室内环境污染与安全问题。
This organization wants to reduce light pollution in the night sky. It also urges the effective use of electric lighting.
这个组织想减少在夜晚的光污染，同时敦促人们有效的使用电灯。
It is discussed that the hidden pollution and its harm of night scene illumination exists in cities, and some prevention and cure meth-od is put forward by author in this thesis.
介绍了城市夜景照明中的隐性污染，讨论了这种污染的危害，提出了对这种污染的防治方法。
In this paper, with the deck officers and pilots as the study subjects, a widespread research was carried out on the impact of "light pollution at sea" on night navigation.
本文以船舶驾驶员和引航员为对象，就“海上光污染”对夜航船舶避碰的影响进行了广泛深入的调查。
The rays of street lights and the dust of pollution cover the night sky.
夜空被街灯的光线与飞扬的尘埃覆没。
For most of us, such pollution means that the view of the night sky our grandparents enjoyed is gone.
对于我们大多数人来说，光污染意味着我们的祖父母曾欣赏到的夜空景色已经消失了。
The 8 glare of street lights and the dust of pollution 9 veil the night sky.
耀眼的街灯、污浊的烟尘掩盖了夜空。
The 8 glare of street lights and the dust of pollution 9 veil the night sky.
耀眼的街灯、污浊的烟尘掩盖了夜空。
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