大专及以上学历，航空航天，工程或航天发动机专业。
College degree or above majoring in aerospace, engineering or aerospace engine.
航天飞机发动机内的这三个阀门不断被更换，以确保它们是最有效的，能保障飞行的安全。
The three valves in the shuttle's engine compartment kept being replaced to ensure they were the best available and safe to fly.
航天飞机的发动机和耐热瓷砖防止其再重返大气层时被烧坏，但是维护成本也很昂贵，而分配不同承包人的任务时又增加了开销。
The shuttle’s engines and the tiles that protect it from the heat of re-entry proved expensive to maintain, and divvying up work among different contractors added to the costs.
航天飞机的主发动机现在是免费的。
从高空往下看，航天飞机第谷·布拉赫号正被安置到热火- 1x火箭发动机上。
Seen from above, the spacecraft Tycho Brahe is settled onto the HEAT-1X rocket engine.
这家公司为了搭载有6名宇航员的航天舱的着陆而单独依靠固体推进剂发动机的决定，引发了严厉的批评。
The company's decision to rely exclusively on solid-propellant engines for landing of a capsule with six cosmonauts onboard attracted particular criticism.
随着NASA宣告航天飞机机队将在执行完最后三次飞行任务后退役，亚特兰蒂斯号于东部时间下午两点二十分在发动机的轰鸣声中拔地而起，飞离濒海发射台。
With NASA bracing for the looming retirement of the shuttle fleet after a final three missions, Atlantis roared to life and rocketed away from its seaside pad at 2:20 p.m. Eastern time.
一旦进入太空，离子发动机将稳步推进航天器，最终达到的速度会比使用普通火箭的更高。
Once in space, ion engines steadily propel a spacecraft until it travels faster than it would have using a chemical rocket.
另外宇航员们还安装了一个空间站4号端口和5号端口之间的氨跨接电缆备件，并且将一个发动机和数据绑缚设备从航天飞机转移到空间站上。
In addition, the astronauts installed a backup ammonia jumper cable between the port 4 and 5 trusses of the station and transferred a power and data grapple fixture from the shuttle to the station.
GE的第三个战略单元是喷气发动机，它主要为航空航天和军事部门设计和制造产品。
GE's third strategic business is jet engines, which it designs and manufactures for both the aerospace and military sectors.
所以现在发动机将与其他航天飞机物品一起计算运费和手续费。
So now the engines are available, along with other shuttle artifacts, for the cost of transportation and handling.
科学家们通过软件模拟达尔文的进化论，实现了对未来航天器离子发动机的优化设计。
An ion engine designed to power future spacecraft has achieved its optimal design via software that simulates Darwinian evolution.
化学发动机跟航天飞机使用的发动机类似，都是用液氧和液氢作燃料。
The idea for the chemical engine is similar to that used on the space shuttle, liquid oxygen and liquid hydrogen.
航天飞机宇航员坐在燃料箱旁边，燃料箱紧挨着曾导致挑战者号航天飞机解体的爆炸发动机；上面是曾导致哥伦比亚号航天飞机失事大块掉落泡沫。
Shuttle astronauts sit alongside the fuel - next to the exploding motor that claimed Challenger, beneath the chunks of falling foam that killed Columbia.
该火箭的第一级是发射航天飞机用的固体燃料火箭的马力加强版；顶端一级是同样增强了马力的用在土星火箭上的J2巨型发动机。
Its first stage is a souped-up version of one of the shuttle's solid-fuel rockets; its top stage is a similarly muscled-up model of the Saturn's massive J2 engines.
尼科尔斯空降师的设计和制造航天气动控制阀，涡轮发动机飞机和衍生许多应用系统。
The Nichols Airborne Division designs and manufactures aerospace pneumatic valves to control numerous systems for turbine engine aircraft and derivative applications.
在绕行灶神星轨道一年后，黎明号将施展航天探索中少有的绝技——它将重新点燃发动机向另一个天体的轨道进发。
After spending a year in orbit around Vesta, Dawn will perform a trick rare in space travel-it will reignite its engines and head off to orbit another body.
2009年，通用电气和NASA（美国航空航天总署）合作，重新开始19世纪80年代搁置的一项工作，继续一种颠覆传统的无涵道风扇发动机实验。
In 2009 GE, working with NASA, America’s space agency, picked up work it had largely set aside in the 1980s on a radically different sort of engine called an unducted fan.
之后，有效荷载（被称为天龙的航天舱）通过一台单独的墨林发动机被送入轨道，这是第2个阶段，耗光燃料时间为9分钟。
The payload, a capsule known as Dragon, is then carried into orbit by a single-Merlin-engined second stage that burns for a further nine minutes.
尽管离子发动机不能使航天飞机很好地摆脱地球引力。
Though an ion engine could never lift a spacecraft out of Earth's gravity well.
以水作为推进剂的电弧加热发动机，在深空探测和载人航天中具有独特的优势。
Arcjet which used water as propellant has special advantage in deep space exploration and manned spacecraft.
超燃冲压发动机以其高速、高比冲和工作范围宽广的特点，正逐渐成为当今航空航天动力领域的研究焦点。
The scramjet has some advantages of high flow velocity, high specific impulse and wide operating range which become a viewpoint in the research field of power of Aeronautics and Astronautics.
基于闭式补燃循环液体火箭发动机流量大的特点，欲设计效率水平高的航天反力式涡轮。
Attributing to the large flow rate, high efficiency level reaction turbine is adoptive in staged combustion cycle liquid rocket engine.
不能是载人还是无人驾驶的航天器，同样存在发动机冷却的问题，因而结论也是一样的。
The problem of cooling the engine remains the same, whether the ship is manned or unmanned, and the conclusion is the same.
航空生产商和他们的供应商要求高质量的通道空气流量计量，用于航天和陆地涡轮发动机组件。
Aerospace OEMs and their suppliers require quality air flow measurements of passages in both aircraft and land based turbine engine components.
作为未来航天运输系统的动力装置，吸气式组合发动机需要一个特殊的氢供应及管理系统。
As a power plant of future space transportation system, air breathing combined engine needs a special hydrogen supply and management system.
在服务分级燃烧发动机包括俄罗斯的RD- 180，阿特拉斯v上使用，航天飞机主发动机。
Staged combustion engines in service include the Russian RD-180, used on the Atlas v, and the Space Shuttle Main engine.
在最近辛辛那提举行的美国航空航天联合推进技术研究所大会上，中国让外界得以一窥其在冲压发动机方面的多个进展。
The Chinese allowed a peek into multiple aspects of their scramjet efforts at the recent American Institute of Aeronautics and Astronautics Joint Propulsion Conference in Cincinnati.
在首日飞行器未能进入预定轨道后，科学家正抢修中俄航天合作项目火星探测器的发动机。
Scientists are working to rekindle the Russia-China joint Mars probe after the spacecraft failed to enter the intended orbit on day one.
与美国空军研究实验室开发，并与美国航空航天局进一步改进，在引擎机舱的发动机上，HWB还具有一个不寻常的推进配备。
Developed with the U. S. Air Force Research Laboratory, and further refined with NASA, the HWB also features an unusual propulsion arrangement that houses the engines in overwing nacelles.
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