A major exception, the space shuttle orbiter, USES three onboard liquid-fuel main engines supplied by a disposable external tank and a pair of solid-fuel boosters to reach space.
一个主要的例外是航天飞机轨道飞行器，它使用三个随之携带的液体燃料的重要引擎到达宇宙，而这又是由一个可任意使用的外部箱和一对固体燃料后援器来供给的。
Nuclear energy may overtake oil as the main fuel.
核能可能会超过石油成为主要燃料。
Fuel is one of the main factors determining the future of the motor industry and the quality of life in a specific country.
燃料是决定汽车产业未来的一个主要因素，在某个特定国家甚至决定人们的生活质量。
What will be the main drivers of changes in global and regional food and fuel security over the long run (to 2050)?
长期来看(直到2050年)，在全球和区域粮食和燃料安全领域推动变革的主要动力是什么？
Fuel cells have three main applications: transportation, portable USES, and stationary installations.
燃料电池有三种主要用途：运输工具、携带用电源、固定装置。
The sensor system is one of several that protect the shuttle's main engines by triggering their shut down if fuel runs unexpectedly low.
该传感器系统是数个保护航天飞机主引擎的系统之一，如果燃料过低，则该系统将触发关机。
No other country can match Brazil's distribution network, so in the short term ethanol will be mostly an additive to fuel, not the main ingredient.
没有其他国家可以媲美巴西的分销网络，所以短期来看，乙醇将大部分用于燃料的添加物，而不是燃料的主要成分。
Your body USES carbohydrates as its main fuel source.
你的身体将碳水化合物作为其主要的燃料来源。
One of the main biofuels is bioethanol, which could supplement or even replace gasoline as a transportation fuel.
主要生物燃料之一就是生物乙醇，可以做为补充甚至直接替代汽油作为运输燃料。
The main advantage of a steam engine is that you can use anything that burns as the fuel.
蒸汽发动机的主要优势是你可以使用任何可以燃烧的燃料。
Humanity's main fuel for eons was wood, which has a carbon-to-hydrogen ratio of 10 to 1 when burned; by comparison, that ratio is 2 to 1 for coal and 1 to 2 for oil.
千万年以来，人类的主要燃料是木头，燃烧木头的过程中，碳和氢的比率是10比1。相比较而言，煤在燃烧过程中这个比率是2比1，而石油的比率则是1比2。
The main point of fuel duty, though, is as a fiscal wheeze: it made up 5% of the tax take in 2010.
对于燃油税的主要观点，是财政上需求：它占2010年税收的5%，对于财政大臣来说，冻结税收是不可能的。
And this is a real model of fuel element - the main part of a reactor.
这是反应堆的主要部件——燃料元件的等大模型。
Thus, the body loses its main source of fuel even though the blood contains large amounts of sugar.
因而，身体失去了它主要的能量来源，即便血液里面含有大量的糖。
The latest example was Coal India, the biggest producer of India’s main fuel. It was listed in 2010.
最近的例子就是印度煤业，是印度主要能源的最大生产商，在2010年上市。
France has begun to tap its industrial stocks, and fuel supplies to the main Paris airports have been resumed after a stoppage, although pilots were advised to refuel abroad where possible.
法国发行工业股票，巴黎的主要机场也恢复了供油，尽管飞行员们还是被要求要在国外尽量加油。
The result is the same as for type 1 diabetes -- glucose builds up in the blood and the body cannot make efficient use of its main source of fuel.
结果和1型糖尿病一样--葡萄糖组成了血液，身体不能有效的利用它的主要能源。
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 two main current sorts of tax-fuel duty and vehicle excise duty (VED) -do not do that well.
目前两种主要形式的税—燃油税和交通消费税—并不能达到这一目的。
They calculated that they could be almost twice as common as "main-sequence stars" - such as our own Sun - which are still burning through their hydrogen fuel stock.
他们计算出这种星体的数量是我们“主星序星体”的两倍。我们的太阳就属于“主星序星体”，现在仍然通过燃烧氢燃料发光。
Production of carbon dioxide, the main heat-trapping gas, is proportional to fuel use, and the Smart claims to be the highest-mileage car powered by gasoline on the American market.
作为一种主要的截热气体，二氧化碳的产生量与燃油用量成正比，而奔驰精灵自称是美国市场单位燃油行驶里程最长的汽油驱动车辆。
The main problem was the lack of water to cool spent fuel rods.
目前其主要问题就是缺乏足够的水来冷却废弃的核燃料棒。
Using various calculations, the researchers could also tell whether the calories expended were in the form of fat or carbohydrates, the body's two main fuel sources.
通过不同的计算，研究者还能得知这些被消耗的卡路里是来自人体两种主要能源物质——脂肪和碳水化合物——中的哪一种。
The greater the mass of such a star, the more quickly it will use its hydrogen fuel and the shorter it stays on the main sequence.
恒星的质量越大，它消耗氢燃料的速度也就越快，它在主序中停留的时间也就越短。
Such alkanes are the main ingredients of diesel fuel.
这种烷烃是柴油的主要成分。
It is made up of old fuel rods that have become sufficiently depleted of uranium-235, the isotope that drives a reactor’s main chain reaction, to be no longer useful.
乏燃料由完全耗尽铀-235的旧燃料棒组成，核反应堆的链式反应就是由铀-235激发的。
It is made up of old fuel rods that have become sufficiently depleted of uranium-235, the isotope that drives a reactor’s main chain reaction, to be no longer useful.
乏燃料由完全耗尽铀-235的旧燃料棒组成，核反应堆的链式反应就是由铀-235激发的。
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