本文主要研究航空发动机机匣对断裂叶片的包容性问题。
The article mainly researched into the blade containment in the aeroengine.
用模态实验的方法对某型飞机发动机机匣的模态参数进行了识别。
An engine casing modal experiment and modal parameters extraction have been introduced in the paper.
发动机机匣上安装凸台结构，可简化为机匣壳体开孔后用围壁和加强板组合补强的力学模型。
On engine cases, installation base can be simplified by a mechanics model, which is case shell with hole and a complex of enclosing wall and reinforcing plate for increase strength.
因此，解决该拖拉机噪声问题须首先降低排气噪声、发动机散热风扇噪声和发动机机罩振动噪声。
Therefore, in order to solve the problem of the tractor noise, the exhaust noise, the engine ventilator noise and the noise of vibrating cover of the engine should be reduced first.
州政府承诺提供更多新式发动机、飞机和直升机来灭火，这一承诺已经兑现。
State promises to provide more up-to-date engines, planes, and helicopters to fight fires have been fulfilled.
同时展出的还将有发动机控制电子装置，目前正在生产并用于升级美国陆军和国民警卫队的CH-47和UH-60直升机发动机。
Alo on display will be electronic engine control, currently in production to upgrade CH-47 and UH-60 helicopter engine for the U.S. Army and National Guard.
这一发展只有在引入电动发动机和升降机之后才可能实现。
This development was only possible with the introduction of electric-powered engines and lifts.
3月7日，李峰驾驶歼十战机在4500米高空进行战术训练时，发动机突然故障。
Li Feng encountered engine failure in his J-10 during tactical training at an altitude of 4500m on March 7.
大leonopteryx成功挫败了直升机，它猛地撞向飞机，飞机发出一阵骨头要散架似的巨响，其发动机通风罩被撞下一块，参孙冒着烟跌向地面。
The great leonopteryx outmaneuvers the Samson, slam ming into it with a bone-jarring crash. It flaps away with a piece of the engine cowl, and the Samson plunges, smoking, toward the ground.
我最喜欢的东西在这里，博物馆志愿者协调员菲尔．杜里埃说：“我最喜欢的展品是在20世纪50年代制造的古德伊尔充气式飞机。 所有部件都打包在一个板条箱里，里面还装配有完整的发动机和压缩机。
One of my favorite things here, " says museum volunteer coordinator Phil Duryea, "is an inflatable aircraft made by Goodyear in the 1950s.
你在这篇文章中提到蒸汽发动机——蒸汽发动机和其他的外燃机有什么优势？
You mentioned steam engines in this article — are there any advantages to steam engines and other external combustion engines?
当直升机的整体架构出现震颤时，这些传感器能得到信息从而强制发动机消除震颤。
These sensors feed data to force generators which cancel out vibrations as they arise in the frame of the helicopter.
例如，蒸汽发动机可以用煤，报纸或木头作为燃料，而内燃机需要用纯的，高质量液体燃料或气体燃料。
For example, a steam engine can use coal, newspaper or wood for the fuel, while an internal combustion engine needs pure, high-quality liquid or gaseous fuel.
在“恶魔”无人机上，空气来自一个单独驱动的压缩机，但在正式生产的机型上，空气可以由发动机导出。
On Demon, the air is produced from a separately powered compressor, but in a production aircraft it could be drawn from the engine.
她会去坐滑翔机，因为没人说过飞机一定要有发动机吧？
And go for a ride on a glider airplane, because who says planes need motors?
约翰所有最值钱的财产都被拿走了：他的发动机，由它供电的两台小电视机，以及这个家庭的烹饪设备。
All John's most valuable possessions were taken: his generator, the two small television sets that it powered and the family's cooking utensils.
伍尔弗汉普顿工厂也为欧洲台风战斗机提供主飞行系统，也为美国STOVL版联合攻击战斗机劳斯莱斯的引擎提供主发动机提升系统。
Wolverhampton also provides primary flight controls for the European fighter, Typhoon, and a main engine lift system for the Rolls-Royce engine on the STOVL version of the U.S.Joint Strike fighter.
伍尔弗汉普顿工厂也为欧洲台风战斗机提供主飞行系统，也为美国STOVL版联合攻击战斗机劳斯莱斯的引擎提供主发动机提升系统。
Wolverhampton also provides primary flight controls for the European fighter, Typhoon, and a main engine lift system for the Rolls-Royce engine on the STOVL version of the U. S. Joint Strike fighter.
木材高温加热，有限的氧气不足以使它完全燃烧，于是产生气体，可以作为发动机或内燃机的能源。
Wood heated at high temperatures with minimal oxygen cannot burn completely. Instead, it creates gases that can be used to power generators or internal combustion engines.
30年代人们也有不少发明，如喷气发动机、直升机、泡茶袋、胶带、圆珠笔和第一台复印机。
The 30′s were not less invention-intensive bringing us the jet engine, helicopter, tea bags, sticky tape, ballpoint pen and the first photocopier.
通用沃兰达（在欧洲称欧宝）这类带有增程器，依靠电动发动机提供动力的电动汽车，充电可以依靠外部电源或者车载内燃机进行。
Range-extenders like GM’s Volt (the Ampera in Europe) are powered by an electric motor that can be recharged either from the mains or by an on-board internal-combustion engine.
K21步兵战车拥有750马力的涡轮增压柴油发动机和40毫米自动炮，旨在击落缓慢移动的直升机和飞机。
The K21 IFV has a 750-horsepower turbo-diesel engine and 40mm auto cannon designed to shoot down slow-moving helicopters and aircraft.
F - 5是一架灵活、高度可控、可靠的超音速战斗机，它结合了先进的气动设计、发动机性能和低运营成本。
The F-5 is an agile, highly maneuverable, reliable supersonic fighter, combining advanced aerodynamic design, engine performance and low operating costs.
这架F - 35B战斗机是由普惠公司F135型单一发动机引擎驱动劳斯莱斯升力风扇。
The F-35B is powered by a single Pratt &Whitney F135 engine driving a Rolls-Royce lift fan.
第二架第二架空客军事运输机a 400m(即msn2)在飞行测试后一系列的试验中，启动了自身全部EPI TP400涡轮发动机。
The second Airbus Military A400M, known as MSN2, has run all four of its Europrop International (EPI) TP400 turboprop engines in a series of trials after being handed over for flight test.
数架小型飞机在根据地后方的街道着陆，为驻扎于奈福赛山区反对派送去武器装备。 反对派还建了一个简陋的索道，仅由一个拖拉机发动机供电，该索道专门为山顶的战士运送供给。
Rebels in the Nafusa mountains receive weapons on small planes landing on back roads and have built a simple funicular, powered by a tractor engine, to supply fighters on top of a ridge.
古巴的汽车机修工通过各种“革新”成为一个传奇：将拖拉机的柴油发动机替代原有的引擎，重新拼凑起传动装置。一切都是为了能让这些老爷车继续跑下去。
And Cuban mechanics have become legendary for their innovation, swapping in diesel tractor engines, jerry-rigging spare parts, all in the name of keeping them rolling.
古巴的汽车机修工通过各种“革新”成为一个传奇：将拖拉机的柴油发动机替代原有的引擎，重新拼凑起传动装置。一切都是为了能让这些老爷车继续跑下去。
And Cuban mechanics have become legendary for their innovation, swapping in diesel tractor engines, jerry-rigging spare parts, all in the name of keeping them rolling.
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