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lighter-than-air

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lighter-than-air是什么意思
英式音标:['laɪtərð'æn'eər]英式读音
美式音标:['laɪtərð'æn'er]美式读音
词汇分类:Word Menu
词义:

adj.

比空气轻的;

英英释义

lighter-than-air[ 'laitəðən'εə ]

adj.relating to a balloon or other aircraft that flies because it weighs less than the air it displaces

用法:

双语例句

用作形容词(adj.)

Hydrogen is much lighter than air.
氢比空气轻得多。

权威例句

Lighter than air

Lighter Than Air

Lighter Than Air

LIGHTER-THAN-AIR WATER DISPENSING AIRSHIP FOR FIRE CONTROL

Accuracy assessment of aerial photographs acquired using lighter-than-air blimps: low-cost tools for mapping river corridors.

Technical Feasibility of Loitering Lighter-Than-Air Near-Space Maneuvering Vehicles

The High Altitude Lighter Than Air Airship Efforts at the US Army

Modeling and control design for a prototype lighter-than-air wind energy system

Performance Capability of a Damaged Lighter-Than-Air Vehicle Operating in the Near Space Regime

Modeling and control design for a prototype lighter-than-air wind energy system

Electroactive polymers as a novel actuator technology for lighter-than-air vehicles

Aerostatic spacing: on things becoming lighter than air

Electro active polymers as a novel actuator technology for lighter-than-air vehicles - art. no. 65241Q
造句:

1. The Man Angel was lighter-than-air and had paddles like a rowboat that the aviator could pump.

“人类天使”比空气还轻,有像划艇一样的桨,飞行员可以摇动它们。

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2. use lighter-than-air dirigibles as atmospheric satellites, or stratellites.

将轻气球用作atmospheric satellites,or stratellites

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3. Soft cotton blend delivers a lighter-than-air feel while wicking away moisture.

排汗远离水分的同时,软棉混纺提供了比空气轻的感觉。

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4. At night, they march with glowing lights, and thousands of lighter-than-air lanterns float into the sky.

夜里,他们在明亮的灯光下齐步行进,成千上万盏比空气还轻的灯笼飘向空中。

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5. Balloon: Large airtight bag filled with hot air or a lighter-than-air gas such as helium or hydrogen that can rise and float in the atmosphere.

气球:一种大型气密球囊,内充热空气或轻于空气的气体(如氦或氢),以产生浮力,可在大气中上升和飘浮。

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6. Rather than use either a spherical or a cigar-shaped aerostat, as the gas-filled envelope of a lighter-than-air craft is known, Skylifter has developed a discus-shaped one.

相对于我们熟知的球形或者雪茄形的内部充满轻于空气的高空气球,Skylifter开发的是一个铁饼状的。

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7. As this air is warmed and picks up moisture, it becomes lighter than the air above it.

当这些空气被加热并吸收了水分,它会变得比上面的空气轻。

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8. What thing is lighter than air that any person can hold in a second or in a minute but never in an hour?

什么东西比空气还轻,任何人只能抓住一秒或一分钟但是不能抓住一小时?

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9. Helium is far lighter than air and is inert, which means it won't combust when you combine it with air and energy, like Hydrogen does (below).

氦气比空气轻得多并且是惰性气体,这意味着,当它与空气和明火接触不会燃烧,而氢气却会(请看下图)。

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10. Hydrogen is lighter than air, but compressing it, storing it in tanks and adding all the necessary equipment starts to tip the scales towards heavy again.

氢气比空气轻,但是将它经压缩存储在燃料箱中并添加所有必需设备后飞机又变重了。

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11. In addition to being lighter than air, Helium is incredibly useful, scientifically, in its liquid form!

除了轻过空气外,在科学上液氦的作用简直令人难以置信。

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12. An atmosphere composed of a cold gas mix that is lighter than helium and not much heavier than hydrogen, means that hot-air ballooning will need to be used.

一个由寒冷气体混合比氦要轻但是不会比氢重很多的大气层,意味着热气球将需要使用。

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13. In the case of a civil aircraft lighter than air, the expression in flight relates to the period from the moment when it becomes detached from the surface until it becomes again attached thereto.

就轻于空气的民用航空器而言,飞行中是指自其离开地面时起至其重新着地时止。

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14. Lighter than air, but harder to breathe.

轻于空气,但难以呼吸。

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15. A balloon rises because it is lighter than air.

气球上升是因为比空气轻。

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16. An unmanned free balloon shall refer to a freely drifting inflatable object which is driven with no power, is piloted by nobody, is lighter than air, and whose gross mass is more than 4 kilograms.

无人驾驶自由气球,是指无动力驱动、无人操纵、轻于空气、总质量大于4千克自由漂移的充气物体。

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17. It is common knowledge that bodies are lighter in water than they are in air.

众所周知,物体在水中比在空气中轻。

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18. Hydrogen is a useful gas for balloons. It is lighter than air.

氢气对于气球来说是一种有用的气体,它比空气轻多了。

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19. When the bag and the air inside are lighter than the surrounding air, the bag starts to rise.

当袋子和里边的空气变得比周围的空气轻时,袋子就开始上升。

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20. Picking up a stone lying underwater, you will find that it is lighter underwater than when you lift it out into the air.

把放在水下的石头拿起来,你将会发现它在水下要比把它拿出水面时要轻。

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21. A pilot or navigator of a lighter - than - air craft, such as a balloon.

飞船驾驶员,气球驾驶员轻于空气的航空器,例如气球的驾驶员或导航员。

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22. Coral grubbs give off a gas that is lighter than air. This keeps the isles suspended in the sky, but can be a nuisance when attempting to construct buildings.

珊瑚虫会放出一种比空气还轻的气体,这种气体使诸岛悬浮于空中,但对于兴建楼房屋宇却又是阻碍不少。

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23. Because hydrogen is lighter than air, it tends to accumulate at the top of the battery container, and if the hydrogen concentration gets too high, the mixture becomes explosive.

因为氢气比空气轻,容易在蓄电池槽顶部聚集。如果氢气浓度过高,该混合物具有爆炸性。

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24. Hydrogen is much lighter than air.

氢比空气轻得多。

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25. Helium is also lighter than air, but it costs a lot of money.

氦也是一种比空气轻,但它比较贵。

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26. Lighter than air, a song or so it seems.

看似一首歌,或轻甚空气。

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27. Lighter than air, a song or so it seems.

看似一首歌,或轻甚空气。

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lighter-than-air

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