The object was too light to be a brick, but it was the same density as a piece of foam from a solid rocket booster.
这一物体太轻了而不可能是一个砖，然而它和固体燃料助推器上的泡沫的密度是相同的。
During the 2002 Atlantis flight, a piece of insulation broke off and damaged the left solid rocket booster but did not impede the mission or the programme.
亚特兰蒂斯号2002年在执行飞行任务的过程中，一橡胶密封圈破裂，左固体火箭助推器受损，好在当时没有防障任务的执行或影响飞行计划的完成。
A close second in the giant rocket race is the former Soviet Union's N-1 rocket, an enormous booster designed to launch cosmonauts to the moon during the Space race with the United States.
巨型火箭竞赛中紧跟在第二的是前苏联的N - 1火箭，一个与美国太空竞赛期间旨在将宇航员送上月球的巨大的助推器。
There have been two failures: The shuttle Challenger and seven astronauts were lost just after launch in January 1986 due to an O-ring seal leak in a solid rocket booster that led to an explosion.
有两次失败的教训：1986年1月刚刚发射过后，一个固体火箭助推器的O型圈密封泄漏导致的爆炸，使我们失去了挑战者号和7名宇航员。
NASA plans to use a five-segment shuttle booster as the first stage of its Ares I rocket, one of two being designed as part of the post-shuttle Constellation program.
NASA计划用五级航天飞机助推火箭作为Ares I火箭的第一级，Ares i是淘汰航天飞机后的星座计划使用的两种火箭之一。
Aluminum already represents a small but critical part of many rocket fuels, including the propellants for the space shuttle's solid booster rockets and NASA's next generation Ares rockets.
铝已经成为了许多火箭燃料小却关键的组成部分，包括航天飞机固体燃料推进火箭和国家宇航局下一代的Ares火箭。
But there's one future booster that could -when built -steal the "World's Largest" title from the granddaddy rocket of them all, NASA's mighty Saturn V.
但还有一个更大的火箭助推器——从建成那一天起——就从所有这些祖师爷火箭的手里夺走了“世上最大”的称号，那就是NASA强大的土星五号。
The gleaming white Ares I-X, at its core, is a giant solid rocket booster.
闪闪发亮的白色战神i - X的核心是一个巨型固体燃料火箭推进器。
They would be built from shuttle booster rockets, fuel tanks and main engines, as well as moon rocket engines.
新型运载火箭将由飞船助推火箭、燃料箱、主发动机以及月球火箭发动机组成。
The rocket launch is NASA? S first suborbital test of the new Ares I booster to launch astronauts to space aboard its shuttle successor, the Orion craft.
这次发射是NASA新型火箭的第一次亚轨道飞行测试，成熟后的战神I号将替代航天飞机，搭载猎户太空舱进行载人航天的任务。
They have some sort of genetic booster rocket and they seem to be functioning better for longer periods of time than centenarians.
他们具有某种遗传助推性而且他们似乎要比百岁老人在更长时期内机能健硕。
Standing at 327 feet (100 meters), Ares I-X is a towering rocket? And currently the world? S tallest booster in service.
战神i - X高高耸立，有327英尺(100米)高——也是世界上最高的在役的推进器。
The way it works is that the entire rocket unit leaves Earth's atmosphere, and then the 15-story-tall rocket booster separates, flips and comes back to a landing zone six miles away.
它的工作方式是，整个火箭单元在离开地球大气层之前，15层楼高的火箭助推器完全分离并翻转，然后在六公里之外的着陆区重新着陆。
Perched on the shoulders of the booster is the second stage, the most powerful hydrogen-fueled rocket ever built .
放在助飞火箭上的是第二节，那是迄今制造的最强大氢燃料火箭。
The tentative design of constant altitude flight solid rocket composed of the sustainer the booster and its simple control method is presented.
介绍了主发动机加助推器和简易控制方法实现固体火箭等高飞行的设计方案。
The tentative design of constant altitude flight solid rocket composed of the sustainer, the booster and its simple control method is presented.
介绍了主发动机加助推器和简易控制方法实现固体火箭等高飞行的设计方案。
Design optimization of solid rocket booster was carried out by using traditional and multi-disciplinary design optimization (MDO) method.
采用传统设计优化方法和多学科设计优化(MDO)方法进行了固体火箭助推器设计优化。
MDO method can improve design quality for solid rocket booster, and greatly reduce iterative times and shorten design period.
采用MDO方法，可提高固体火箭助推器的设计质量，大大减少设计迭代次数，从而缩短设计周期。
NASA is now checking on the damage of lightning on Endeavor and its solid rocket booster.
国家航空航天署正在检查奋进号航天飞机及其固体火箭助推器是否被闪电损坏。
You have nothing to fear, for Mars will act like a booster rocket to your career to lead you precisely where you want to go.
你没有什么好害怕，火星会好像火箭推动器一般，在事业上带你到你想到的地方。
The initial Shuttle design predicted neither foam debris problems nor poor sealing action of the Solid Rocket Booster joints.
航天飞机的初始设计即没有预料到泡沫脱落问题也没有预料到固体火箭助推器连接密封性能这么差。
But running the object's orbit backwards showed that the asteroid never came close enough to Earth during the space age to have started life as a rocket booster.
但是追溯、反向分析它过去的轨道位置表明这个小家伙在人类太空时代不可能近距离靠近地球，也就不可能是火箭助推器了。
There remain questions: how much it costs to refurbish a rocket booster and how many times a single booster can be reused, for example.
不过人们仍有很多疑问：比如，翻修要花多少钱？一枚推进器能重复使用多少次？
There remain questions: how much it costs to refurbish a rocket booster and how many times a single booster can be reused, for example.
不过人们仍有很多疑问：比如，翻修要花多少钱？一枚推进器能重复使用多少次？
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