The thin air of Mexico City, which lies at 2, 250m (7, 380 feet), reduces a plane’s range and the weight it can carry.
墨西哥城2,250米的高空处(7,380英尺)空气稀薄，这使航班的类型和载客重量都受到了限制。
The air inlets comprises many moving parts, which increases the aircraft’s weight and radar reflections.
这种进气道由很多调节作动部件组成，从而增加了飞机的重量以及雷达反射面积。
With the hand held high in the air, hold the string so that the weight nearly touches the ground.
把手高高举在空中握住绳子，让重物几乎接触地面。
The FRES program will provide the British Army with a family of medium-weight, network-enabled, air-deployable armored vehicles to meet up to 16 battlespace roles.
FRES计划将为英国陆军提供一系列的中型、具有网络使能、可以空中部署的武装车辆，满足英国在战场空间中最多16种需求。
In fact, a group of researchers contend, a number of aspects of modern living — from lack of sleep to exposure to living with air conditioning — may be feeding Americans' weight woes.
一个研究小组认为，事实上，现代生活中有很多因素都有可能导致美国人不幸超重，比如睡眠不足和使用空调。
Pause and feel the weight of your body in your seat, the feeling of the fabric against your skin, andthe slight sensation of the air on your face.
停下来，感受你身体的重量，感受面料和你的肌肤相触碰，还有空气在你脸上轻拂的细微体验。
After some time of uninterrupted fall, the body is moving so rapidly that the drag of the air is as great as the weight of the body, so that there is no acceleration.
经过一些时间的自由降落后，落体运动得很快，以至空气拽力(阻力)与落体的重量相等，于是就没有加速度了。
To prevent snoring, doctors suggest sleeping on your side (ladies, roll him over if you need to), using nasal strips or losing weight (less pressure on the airways means more space for air to flow).
医生建议，要防止打鼾，可以侧睡（女士们，如果需要，帮他翻个身），使用鼻带，或减肥（减少气道压力会给空气流入增加空间）。
We know that air can be compressed, and it is reasonable to suppose that the air at the surface of the earth is compressed by the weight of all the air on top of it.
我们知道空气是可以压缩的，因而我们有理由假设：地球表面的空气受到该空气层上部所有空气重量的压缩。
If the helicopter is going to hover in place, the force it pushes on these tiny air balls will have to be equal to the weight of the helicopter.
如果想使直升机悬停于某处，这些空气微粒的推力必须相当于直升机重量。
Finally, burning firecrackers makes global warming become more serious and increases the weight of air pollution because of the carbon dioxide and other greenhouse gases it releases.
最后，放鞭炮会使全球变暖越来越严重，增加空气污染，因为它释放了二氧化碳和其他温室气体。
The weight of the loco is 90 tonnes and maximum speed is 120 km. h, and dual vacuum and air brakes are provided.
机车重量为90吨，最大时速为120公里；小时，并装有真空和空气双重制动器。
New technology that could help reduce the weight of an aircraft could soon see windowless planes take to the air.
一种用来减轻飞机重量的新技术，或许将很快让这种“无窗飞机”成为现实。
Due to the great difference in weight between air and fuel, the flow of fuel from the carburetor circuits lags behind the increase in air intake.
由于燃油与空气的重量有很大的差别，因此燃油总是比空气进入化油器迟。
Using 90% or higher oxygen concentrations instead of air will generate up to 13% ozone by weight depending on gas flows and cooling efficiency.
使用 90% ，或比较高的氧集中而不是空气将会产生达到重量仰赖瓦斯流程和冷却效率的 13%新鲜的空气。
Breathable and padded air mesh backpack straps can be adjusted to provide a more comfortable carry while evenly distributing the weight on your back.
可调节的透气性和填充空气的网状背包肩带，以提供更舒适的进行，而均匀分布在你的背上的重量。
The new unit uses the pitman reserse mechanism instead of the crosshead slide reverse rack, adopts weight balancing instead of air balancing, and is provided with an improved guiding system.
这种抽油机以连杆式换向机构取代原有的十字滑块式换向架，以重块平衡代替气平衡，并改进了导向系统。
A typical generator produces about 1.5% ozone by weight for air.
一个典型的产生器为空气生产重量的约1.5%新鲜的空气。
The atmosphere is all the air surrounding the earth. Atmospheric pressure is the weight of all that air against the surface of the earth.
大气指的是包围着地球的全部空气，大气压力是靠近地球表面的全部空气的重量。
The weight of the air pushing on us is known as atmospheric pressure, or air pressure.
这股推动着我们的空气的质量被称为大气压力，或空气压力。
Excess luggage weight, air freight and transportation insurance fee for parts and tools.
服务工程师携带设备、工具及超出免费重量的行李的托运费、运输保险费。
A controlled flow of air is used to separate the particles of flour according to size and weight.
一般采用可控的气流将面粉颗粒按大小和重量分开。
"Hollow" yarns have the properties with light-weight, flexible and more warm, as increased the entrapped air in the yarn, and to gain a stronger yarn for spinning and weaving processes.
空芯纱技术是一种用来提高棉纱性能的技术，它增加了纯棉纱线中的存储空气，并为纺纱和织造过程提供较大强力的纱线。
Samoa air, the Pacific national airline which last week began connecting Samoa to American Samoa, allows passengers to nominate their weight and then measures them on scales at the airport.
萨摩亚航空是一个太平洋地区的国内航空，上周开始了萨摩亚和美属萨摩亚之间的航线。乘客们先自己报体重，然量。
If air courier charges were not based on the weight of the parcel, express delivery companies would be losing their shirts.
假如空运货物不能按邮包重量收费的话，那快递公司估计早就赔到姥姥家了。
Divers must breathe compressed air to keep from being crushed by the weight, or pressure, of the surrounding water.
潜水员必须吸入压缩空气才不致受到周围海水压力的伤害。
Divers must breathe compressed air to keep from being crushed by the weight, or pressure, of the surrounding water.
潜水员必须吸入压缩空气才不致受到周围海水压力的伤害。
应用推荐