So we are burning up an enormous amount of fuel at every launch just to get the rocket up to what's known as escape velocity.
所以每一次发射我们都要耗费大量的燃料来让火箭达到所谓的“逃逸速度”。
Such measures should reduce the amount of fuel needed to produce electricity.
这些措施应该能够降低用来发电的燃料使用量。
This is a known and anticipated process, but the amount of hydrogen gas produced was unknown because the operators didn’t know the exact temperature of the fuel rods or the water level.
这个过程是被预见的，但是大量的氢气是否会产生无法预测，因为操作员并不知道燃料棒的确切温度，也不知道水位线到底多高。
Ultracapacitors capture waste energy from the brakes and reuse it for accelerating, meaning the fuel cell only needs to provide the smaller amount of power for cruising.
超级电容将在刹车和加速过程中收集产生的能量，这就意味着在正常行驶过程中燃料电池只需要提供少量的能量就可以了。
This is a known and anticipated process, but the amount of hydrogen gas produced was unknown because the operators didn't know the exact temperature of the fuel rods or the water level.
这个过程是被预见的，但是大量的氢气是否会产生无法预测，因为操作员并不知道燃料棒的确切温度，也不知道水位线到底多高。
Pack light: Your luggage is weighed at checkin so that the amount of fuel needed for the flight can be calculated.
轻装上阵：登记的时候你的行李要称重，来计算飞机飞行需要的燃料量。
Each car pulls up to a measuring station where technicians in lab coats use pipettes and thermometers to measure the amount of fuel used.
每一辆车都需要被拉进测量站，在那里身着实验室大褂的技术人员用移液器和温度计测量燃料使用情况。
The trick is to keep very light pressure on the gas pedal, just enough to feed a steady amount of fuel to the engine.
技巧是在油门上轻施压力，仅够供给引擎稳定量的燃料。
On my way to and from the shelter, I passed a gasoline station where people lined up, hoping for a small amount of rationed fuel.
在往返于避难所的路上，我经过了一家加油站，人们排着长队，等待配给的一点燃料。
These capture most of the heat from the fuel, greatly reducing the amount of wood required, and they slash soot emissions too.
这可以获取燃料中的大部分能量，大幅减少所需的木头，还可以减少烟尘排放。
Another approach being financed by ARPA-E is to convert the tremendous amount of energy stored by plants and trees to a car fuel.
ARPA - E资助的另一个方法是把储存了巨大能量的植物和数目变成汽车燃料。
Put several fuel assemblies into the core of a nuclear reactor, and the amount of energy released gets even higher.
把几个燃料组件放到核反应堆的中心，释放的能量会更高。
Rather than buying the fuel cells, Whole Foods reduced its risk with a 10-year lease, which includes a requirement that the technology produce at least a certain amount of power.
WholeFoods没有购买燃料电池，而是通过10年期的租借方式降低风险，租用协议中还要求这种技术生产至少一部分电力。
To reduce emissions in existing combustors, fuel is premixed with a large amount of swirling air flow prior to injection into the combustor.
现行的燃烧室要想减少排放量，必须在燃料注入燃烧室之前就通过大量的空气流将燃料混合好。
This means that satellites' owners have better information with which to decide whether to use a small amount of their precious fuel reserves to avoid a collision.
这就意味着，卫星业主们获得了更好的信息，以决定是否使用[卫星上]不多的、宝贵的燃料储备来避免碰撞事故的发生。
On pain of fines, but with the carrot of subsidies, these require that a certain amount of renewable fuel be blended into petroleum-based fuels over the next decade or so.
违者罚款，但是考虑到补贴这种胡萝卜，这些就要求在接下来的大约十年时间里，一定量的可再生能源必须被混合到以汽油为基础的燃料。
While it does require a small amount of fuel to start the engine, you actually save more fuel if you coast.
虽然启动引擎确实需要少量的油，但如果你滑行的话，你实际上可节省更多的油。
Those who must have their own car can reduce their petrol bills by a surprising amount by taking a one-day eco-driving course that shows how our bad driving habits increase the amount of fuel we use.
对于那些必须自己拥有汽车的人来说，通过参加为期一天的环保驾驶课程，了解我们驾驶时的坏习惯会如何增加耗油量之后，他们就能减少汽油开支。
So plants with CCS will need to be at least a third bigger than normal ones to generate the same net amount of power, and will also consume at least a third more fuel.
因此CCS电厂至少需要比普通电厂大三分之一，才能产生同样多的净电量，并且还将至少多消耗三分之一的燃料。
The amount of braking power going to the front and rear circuits can be 'biased' by a control in the cockpit, allowing a driver to stabilise handling or take account of falling fuel load.
驾驶舱内的车手视情况向前面和后面的电路分配不同大小的刹车制动功率，分配方式以使车辆在油量不断减少的情况下稳定行驶为目标。
The amount of braking power going to the front and rearcircuits can be 'biased' by a control in the cockpit, allowing a driver tostabilise handling or take account of falling fuel load.
驾驶舱内的车手视情况向前面和后面的电路分配不同大小的刹车制动功率，分配方式以使车辆在油量不断减少的情况下稳定行驶为目标。
This approach could extract far more energyfrom a given amount of nuclear fuel while at the same time reducing the volumeand toxicity of nuclear waste.
这种方法从给定的核燃料中释放出更多的能源，同时减少了核废料的体积和毒性。
Icarus has not made a final decision on the type of fuel to be used for its fusion engine, but it is almost certain it would require a substantial amount of propellant.
伊卡洛斯飞船还没有最终确定它的核聚变燃料类型，但毫无疑问也需要携带大量的燃料。
The ship would have to be big enough to carry a huge amount of fuel, enough to accelerate it to nearly the speed of light.
这艘飞船要足够大，能够运载大量的原油使飞船达到光速。
Fuel load is measured by the amount of available fuel per unit area, usually tons per acre.
可燃物负荷是测量每块地区可得燃料的数量，通常是每英亩的吨数。
In other words: When you drive a car, the engine burns fuel which creates a certain amount of CO2, depending on its fuel consumption and the driving distance.
换句话说，你开车的时候，发动机在燃烧汽油的同时会释放出一定量的二氧化碳，这个量由耗油量和行驶里程决定。
In other words: When you drive a car, the engine burns fuel which creates a certain amount of CO2, depending on its fuel consumption and the driving distance.
换句话说，你开车的时候，发动机在燃烧汽油的同时会释放出一定量的二氧化碳，这个量由耗油量和行驶里程决定。
应用推荐