超过5490米是重型喷气式飞机的领域，因为喷气式发动机在更高的高度运行时效率更高。
Above 5,490m is the realm of the heavy jets, since jet engines operate more efficiently at higher altitudes.
这个引擎仍不会具有喷气式发动机那样的可靠性。
一个这样鲜明变化的例子是在商业飞机上的喷气式发动机的转变。
One example of such a striking shift was the changeover to jet engines in commercial aircraft.
Chevrons是见于某些喷气式发动机喷口后缘的锯齿状构型。
Chevrons are the sawtooth pattern seen on the trailing edges of some jet engine nozzles.
满足喷气式发动机和涡轮式航空发动机用燃料所要求的性能的燃料。
Fuel meeting the required properties for use in jet engines and aircraft turbine engines.
铼可以用来制造喷气式发动机的耐高温合金部件，也是高能量的无铅汽油的成分。
Rhenium is used to make high-temperature alloys for jet engine parts and in high-octane, lead-free gasoline.
本文讨论了鲁棒故障检测滤波器在喷气式发动机传感器故障诊断中的应用。
This paper discusses the robust fault isolation of faulty sensors in a jet engine system.
为提供某种节流阀以加速或减速，该车的设计者们增加了“EJ200”喷气式发动机。
To provide some form of throttle to allow acceleration and deceleration, the vehicle’s designers added the EJ200 jet engine.
最后以喷气式发动机燃料计量系统为例，阐述对该系统进行故障分析的一般步骤。
The process of fault analysis is illustrated by the Fuel metering System of jet plane engine.
还有一种制造更为环保的喷气式发动机的方法采用开式转子使得涡轮有更大的旁通。
There is another way to build a greener jet engine: by bypassing the turbine to an even greater extent, with an open rotor.
飞机各种能够飞行的带翼交通工具，通常比空气重，用喷气式发动机或螺旋桨驱动。
Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.
早期的喷气式发动机进气口狭窄且噪音巨大但是随着前部风扇直径的增大发动机变得越来越安静。
Early jet engines had narrow inlets and were very noisy, but as the diameter of the fans at the front increased, the engines became quieter.
喷气式发动机处理如此多的空气以至于增压供给在高压的状态下会泄漏空气，并且温度很高。
Jet engines handle so much air that pressurization supplies can be bled from them under great pressure, and already very hot.
可怕的火山灰可能对喷气式发动机造成威胁，过去当发动机遇到类似的火山灰物质时，引擎就会突然停转。
That fine volcanic ash could pose a risk to jet engines, which have cut out in the past after exposure to similar volcanic material.
M1Abrams坦克重68吨，喷气式发动机，120mm口径的火炮可以在一英里外轻易摧毁一座房屋。
The company of M1 Abrams tanks, each weighing in at 68 tons and propelled by jet engine, are equipped with 120mm guns that can destroy a house from more than a mile away.
但是随着未来几年为了抗击气候变化而即将实施航空排放控制，喷气式发动机必须变得更加洁净且更加节省燃料。
But with regulation of aviation emissions likely in the coming years in order to combat climate change, jet engines must become cleaner and more frugal still.
航空业的革新集中于民用航空喷气式发动机的研发，首先是涡轮螺旋桨发动机，后来是纯粹的喷气机。
Innovation in aviation has centered on the development of the jet engine for civil use, first in a turbo propeller form and later as a pure jet.
风持续地发出像一列火车呼啸而过的声音，还听到喷气式发动机的声音，但这些似乎都没有打扰到她。
The wind - like the continuous blast of a train whistle, interrupted by the occasional roar of a jet engine - didn't seem to bother her.
将火箭发动机、喷气式发动机和赛车发动机整合到一部车里，是一种极不寻常的设计，但是破纪录经常需要解决很多新问题。
Combining a rocket, a jet and a racing-car engine into one vehicle is engineering of an extreme sort, but record-breaking often demands that new problems be solved.
劳斯莱斯公司通过长期测评其全球喷气式发动机的工作情况，可以预测发动机在什么时候更有可能出现故障，从而安排顾客更换发动机。
By continuously dassessing the performance of its jet engines around the world, Rolls-Royce is able to predict when engines become more likely to fail so that customers can schedule engine changes.
第二种方法也被称作“反应炉裂解法”：利用高温和压力将纤维素生物质转换成长烃链，这种长烃链和汽油、柴油、喷气式发动机燃料相类似。
A second process, called thermochemical pyrolysis, USES high temperatures and pressures to convert cellulosic biomass into long hydrocarbon chains that are similar to gas, diesel or jet fuel.
正如我会想象我们的未来充满了月球基地，喷气式发动机以及时速200英里的汽车，但是没有手机，没有互联网，没有笔记本电脑。
As I like to put it, the history of our future is filled with moon bases, jet packs, and 200-mph cars, but has no cell phones, no Internet, and no laptop computers.
这因为这样，圣地亚哥大学和国内周边的研究人员正在致力于开发第三代生物燃料，这种燃料能直接代替现行的汽油、柴油和喷气式发动机燃料。
Because of this, researchers at SDSU and around the country are pushing ahead to develop third generation biofuels that could be used as direct replacements for gasoline, diesel or jet fuel.
他解释道：“不只是生产单一产品，相反的，一套设施能够生产乙醇、有机汽油或者有机柴油、喷气式发动机燃料和类似异戊二烯的化工原料。”
"Instead of producing one product, a cluster of facilities could produce ethanol, green gasoline or diesel, jet fuel, and industrial chemicals such as isoprene," he explains.
虽然德国已经制造了喷气式飞机，但是R.A.F的弗兰克。卫通(Frank Whittle)发明的喷气式发动机并早在1930年就申请了专利。
Although Germany had produced a jet fighter it was Frank Whittle of the R.A.F.who had invented the jet engine and patented it as early as 1930.
像C- 130一样，A 400m能够飞的非常低，并且能够在战场附近不平坦的飞机跑道上降落，而且它的速度还与装着喷气式发动机的C - 17相差无几，并且飞行距离超过了C - 17。
Like the C-130 it can fly very slowly and land on rough airstrips near the battlefield, yet it also comes close to the speed of the jet-engined C-17 and exceeds its range.
高浓度的火山灰一旦被吸入喷气发动机就会融化，并且造成引擎故障，因此喷气式飞机是不允许在火山灰云层中穿行的。
A high concentration of ash ingested by a jet engine can become molten and cause engine failure, which is why planes are not allowed to fly through the cloud.
高浓度的火山灰一旦被吸入喷气发动机就会融化，并且造成引擎故障，因此喷气式飞机是不允许在火山灰云层中穿行的。
A high concentration of ash ingested by a jet engine can become molten and cause engine failure, which is why planes are not allowed to fly through the cloud.
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