The Sky texture is now updated when the Contrails effect is deleted.
凝结尾迹效果被删除时，天空纹理贴图会自动更新。
Because of this, you sometimes can use contrails to predict weather.
鉴于此，有时候我们可以用这些轨迹来预测天气。
Actually, contrails, short for condensation trails, are essentially clouds.
实际上，我们说的轨迹是凝结轨迹的简称，它本质上就是云。
Contrails are clouds of ice particles formed around the small particles released from aircraft exhaust.
飞机划过天空时排出的尾气凝成小冰粒，它们周围逐渐聚集了更多冰粒，形成了凝结尾迹。
A study of one 1944 raid offers a rare opportunity to check our models of how contrails change temperatures.
对1944年那次突袭行动的研究提供了一个宝贵的检验我们之前建立的飞机航迹云影响天气模型正确与否的机会。
The jet leaves contrails in its wake due to the temperature difference between the hot engine exhaust and the cold air.
这架喷气式飞机飞行时留下的凝结尾是由于其发动机与冷空气之间的温差造成的。
Space walkers see whole continents, mountain ranges, cities, aircraft contrails and the wakes of ships crossing the oceans.
这位宇宙漫步者看到了整片大陆、山脉、城市、飞机轨迹以及越洋轮船的波浪。
The white trails look vaguely like the condensation trails, or contrails, left behind by airplanes, but they actually result from ship exhaust.
白色的痕迹疑似飞机留下的凝结尾迹或飞行云，但它们实际由轮船留下。
Major features appearing on the image include contrails light blue, deep clouds white, high clouds light blue and fog mist low clouds red - smooth in texture.
图中可见凝结尾迹浅蓝色，厚云白色，高层云浅蓝色及雾低层云红色，质感较柔和。
Field studies of contrails are rare, says David Travis of the University of Wisconsin-Whitewater. Most of our understanding of their effects is based on model studies.
对航迹云的现场研究一直是很稀少的。威斯康星大学白水分校的戴维·崔维斯说，我们所了解到的大部分对航迹云的研究都是基于模型研究的。
The real truth: these contrails are actually a toxic substance, or virus, deliberately sprayed upon an unsuspecting populace in order to "weed out the old and the sick".
真相是：这些尾迹实际上是种有毒物质，或者病毒。被故意投放在不知情的民众上方以除去那些老弱病残者。
Actually, contrails, short for condensation trails, are essentially clouds. They are no different from the cirrus clouds that naturally form in that region of the atmosphere.
事实上，轨迹，简称为压缩痕迹，其本质上是云。他们跟大气层上自然形式的云没什么不同。
Just like natural cirrus clouds, contrails block infrared radiation emitted from Earth's surface, and the increased coverage provided by contrails boosts cloud-induced warming.
就像自然的卷云一样，飞行云也会阻隔从地球表面散发出来的红外辐射，因此飞行云造成的覆盖面增加会加强云层引起的气候变暖。
When civilian flights over the United States stopped in the wake of the terrorist attacks of September 2001, the lack of sulphur-laden contrails led to a perceptible rise in temperature.
2001年9月恐怖袭击后经过美国的民航因为缺少含硫的飞行云而导致了机内乘客体温明显上升。
Contrails appear most vivid around sunrise or sunset, and it's not uncommon that one showing up in an unexpected location will generate whispers of a UFO or experimental military aircraft.
凝结尾在日落和日出时，会显露得非常生动，这种情况并不少见，一个意外的位置上所显露出来的现象将产生与ufo或实验用军事飞机相类似的低低声音。
Although some so-called contrails, which are simply clouds of tiny ice crystals condensed from the moisture in aircraft exhaust, evaporate quickly, many linger for hours and spread across the sky.
这些所谓的“飞行云”不过是飞机尾气中的湿气冷凝而成的云状微型冰晶颗粒，尽管其中有些会很快蒸发，但是很多会逗留数小时，并弥漫天空。
Although some so-called contrails, which are simply clouds of tiny ice crystals condensed from the moisture in aircraft exhaust, evaporate quickly, many linger for hours and spread across the sky.
这些所谓的“飞行云”不过是飞机尾气中的湿气冷凝而成的云状微型冰晶颗粒，尽管其中有些会很快蒸发，但是很多会逗留数小时，并弥漫天空。
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