在小型卫星的发射这一市场,目前只有天马火箭公司提供一些服务。他们用商务喷气式飞机在高空进行发射。
The market for launching small satellites is presently only partly served by the Pegasus rocket, which is launched at high altitude by a commercial jet aircraft.
韩国本周的演习使用了飞机,火箭发射器和大炮。演习在有争议的海上分界线附近的另一个岛屿——白翎岛进行。
South Korea's drills this week involved aircraft, rocket launchers and artillery guns and took place off Baengnyeong Island, another territory near the disputed maritime border.
例如,空间探索技术公司表示,视火箭类型,他们能把发射费用降到5千万到1亿美元。 而航天飞机每次发射的花费高达15亿美元。
For example, SpaceX says it can reduce the cost of a launch, depending upon the rocket, to between $50 million and $100 million compared to the $1.5 billion price tag for each space shuttle mission.
这些背负青天的大物由火箭发射升空,像飞机一样着陆,因而可以重复使用。
These were workhorses, hurled aloft by rockets but landing like aeroplanes so they could be used time and time again.
美国宇航局正在研制能到达月球的新一代火箭和载人太空舱,计划在五年内搭载航天飞机进行发射,而目前的航天飞机将于明年退役。
The space agency is developing a new generation of rockets and crew capsules capable of reaching the moon which are due to fly within five years of the space shuttle fleet being retired next year.
蝙蝠和秃鹫曾经围攻过发射台上的航天飞机,更别提闪电差点摧毁了NASA最强劲的火箭。
Bats and vultures have besieged space shuttles at the launch pad, not to mention lightning, which tried and failed to tackle NASA? S mightiest rocket.
战神I号火箭的设计目的是发射预计将取代航天飞机的NASA猎户座宇宙飞船。
The Ares I booster is designed to launch NASA's Orion spacecraft slated to replace the shuttle fleet.
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。
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.
屹立在39B发射台上的战神I-X火箭塔高327英尺(约100米),这个发射场此前一直被用于航天飞机发射,现在已被转用于新的助推器。
The Ares I-X towers 327 feet (100 meters) above Launch Pad 39B, a launching site that until recently was used to fly space shuttles, and has been converted for the new booster.
从外部燃料箱的顶端至船尾固体火箭助推器的裙摆,发射台上的航天飞机高184英尺(56米)。
A shuttle on the launch pad measures 184 feet (56 meters) tall from the tip of the external tank down to the aft skirts of its twin solid rocket boosters.
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.
自1975年“土星1b”火箭发射了与苏联的联盟号对接的阿波罗太空船以来,非航天飞机用的火箭第一次出现在美国国家航空航天局的发射台上。
Not since 1975, when a Saturn IB rocket launched an Apollo capsule to meet a Soyuz spacecraft from the Soviet Union, has a non-shuttle rocket sat atop a NASA launch pad.
如果你将这些环形山里的水分转化成火箭燃料,你足以在2000多年的时间里每年发射一架相当于航天飞机的航天器。
If you converted those craters' water into rocket fuel, you'd have enough fuel to launch the equivalent of one space shuttle per day for more than 2000 years.
美国航空航天局新型试验火箭成功发射,该火箭旨在取代老化的航天飞机。
The US space agency (Nasa) has launched a prototype rocket designed to replace the ageing space shuttle.
旨在取代老化的航天飞机的火箭原型因为恶劣的天气而被推迟发射。
The launch of a prototype rocket designed to replace the aging shuttle has been delayed by bad weather.
这看起来很奇怪的鸟在这里看到的是美属维尔京母舰夏娃,这架飞机将携带一进入轨道的旅客空中发射维珍银河的太空船火箭升空。
The odd-looking bird seen here is the Virgin Mothership Eve, the aircraft that will carry Virgin Galactic's SpaceShipTwo rocket aloft for a midair launch of tourists into orbit.
该公司称这种火箭可以将发射费用降低到大约2000美元每公斤,这大概是使用航天飞机将负载物送入轨道的费用的十分之一。
It says the rocket should reduce launch costs to about two thousand dollars a kilogram. That is about one-tenth the cost of carrying loads into orbit on a space shuttle.
该公司称这种火箭可以将发射费用降低到大约2000美元每公斤,这大概是使用航天飞机将负载物送入轨道的费用的十分之一。
It says the rocket should reduce launch costs to about two thousand dollars a kilogram. That is about one-tenth the cost of carrying loads into orbit on a space shuttle.
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