One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.
误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。
Sound travels faster through water than it does through air.
声音在水中的传播速度要比在空气中快。
Travelling through air and turbulence can disperse the energy of the beam.
穿过空气和乱流时会分散光柱的能量。
Sound travels through air in waves about 1,115 feet (340 meters) per second.
声音以声波形式在空气中传播，速度约为每秒1，115英尺 （340米）。
Looking at a star through air is like looking at a penny on the bottom of a swimming pool.
透过空气看一颗星就仿佛看游泳池底的一枚一分硬币。
The blades have an aerofoil shape and provide lift when passing through air, like the wings of an aeroplane.
这些叶片拥有机翼的剖面形状，它们就像普通飞机的机翼那样，通过划过空气来产生升力。
The warm air in the corridors is circulated in working Spaces through air vents and provides passive heating.
走廊里的暖空气，通过通风口在办公区域流通，进而提供被动供暖。
Air transportation refers to the transportation business of carrying cargoes or passengers through air routes.
航空运输，是指通过空中航线运送货物或旅客的运输业务。
The speed of sound in water is roughly one mile a second - slower than through land but faster than through air.
声音在水中的速度是大约一英里第二-慢于通过土地，但比在空气中快。
"We are in urgent need of tents, food, medicine and satellite communications equipment through air drop," he said.
他说：“我们亟需空投帐篷、食品、药品和卫星通讯。”
In this paper, through air drying technology and its advantages and special chemicals for tissue paper was studied.
本文综述了空气穿透干燥技术生产卫生纸的优点和工作原理，及卫生纸化学品的应用。
Other voices like the father's must pass through air, then fluid and may not cut through the general background noise.
其他人的声音比如父亲的声音一定要通过空气、再通过液体传送，所以可能无法从环境中的其他声音区分出来。
The particles can be transported through air or a hydrocarbon liquid without loss in enzymatic activity of the payload.
颗粒能通过空气或液态碳氢化合物运输，不会对有效负载的酶活性造成损失。
These manifolds are connected to the vacuum system through air take-off lines in order to remove the non-condensable gases from the condenser.
这些集管通过空气管线与抽真空系统相连，以便从空冷凝汽器内抽走不可冷凝的气体。
Air is turned into hot air through air filter and heater and enters into hot air distributor at the top of dry chamber and enters into dry chamber spirally and evenly.
空气通过过滤器和加热器，进入干燥器顶部的空气分配器，热空气呈螺旋状均匀进入干燥器。
Cosmic rays of various kinds come through the air from outer space, but enormous quantities of radiation from the sun are screened off.
来自外太空的各种宇宙射线通过空气进入大气层，但来自太阳的大量辐射却被屏蔽了。
Stories were like air to me and while other kids played ball or went to parties, I lived out adventures through the books I checked out from the library.
故事对我来说就像空气一样，当别的孩子打球或参加聚会的时候，我却通过从图书馆借来的书，过着冒险般的生活。
She swished her racket aggressively through the air.
她咄咄逼人地把球拍挥舞得呼呼作响。
So musical instruments evolved in ways that optimize their acoustical properties, how the instrument vibrates and sends those vibration through the air to our eardrums.
因此，乐器的进化优化了它们的声学特性，且优化了乐器振动的方式，并将这些振动通过空气传到我们的耳膜。
If the virus had been capable of spreading through the air, or if one infected person had unknowingly entered a large population center, Ebola might have become a worldwide epidemic.
如果这种病毒能够通过空气传播，或者如果一名感染者在不知情的情况下进入了人口密集的地区，那么埃博拉可能已经成为一种全球流行病。
The two children were already flying down the Alp, like birds soaring through the air.
两个孩子已经从着高山牧场往下猛冲了，就像鸟儿在空中翱翔一样。
During the pupa stage, they do not eat foods but do sit at the surface and breathe air through two small tubes.
在蛹阶段，它们不吃食物，但在水面游动时会靠两个细小的管道呼吸空气。
A MERV rating tells you how well the filter can remove pollen and mold from the air as it passes through.
MERV等级可以让你知道当花粉和霉菌在空气中传播时，过滤器将如何将之过滤。
The cooling wind swept through out bedroom windows, making air conditioning unnecessary.
清爽的风通过窗户吹进了卧室，没必要开空调了。
She tried to curtsey as she spoke—fancy curtseying as you're falling through the air!
她边说边试行屈膝礼——想想当你从空中落下时会行什么样的屈膝礼！
She tried to curtsey as she spoke—fancy curtseying as you're falling through the air!
她边说边试行屈膝礼——想想当你从空中落下时会行什么样的屈膝礼！
应用推荐