通过限制线功率密度，可以限制燃料芯块的温度。
The temperature of fuel pellets can be limited by linear power density restriction.
然而，材料，现在我们已经为我们提供显著限制燃料贮存由于低应力宽容和成本。
However, the materials that we currently have available to us significantly limit fuel storage due to low stress tolerance and costs.
唯一不同的就是时间：尽管电力推进器是非常高效燃料，它还是取决于能量的限制。
The only difference is one of time: Although electric propulsion is very fuel efficient, it is slower due to power limitations.
你们需要在反应堆设计中展示，电站能够成功处理这些事故，能够让燃料设计的限制不会被超过。
You need to show in the reactor design that the plant can manage these events such that these fuel design limits are not exceeded.
这是安全限制，如果你超过了这个，有些东西，就会断裂，可能是燃料，可能是管道。
This is the safety limit, if you exceed this thing something will break, either fuel or a vessel.
减少碳排放和其它污染的新的政策要靠限额交易系统、税收以及限制化石燃料消费运作起来。
New policy tools to reduce carbon and other pollution, through cap-and-trade systems, taxes and fossil fuel consumption limits.
俄罗斯航空公司最近退出服务的图- 154机队，主要是因为飞机不符合国际噪音限制和使用太多的燃料。
The Russian carrier Aeroflot recently withdrew its Tu-154 fleet from service, largely because the planes do not meet international noise restrictions and use too much fuel.
这意味着任何限制温室气体浓度的措施将不得不变得更加严厉，例如减少化石燃料的燃烧、避免砍伐森林等。
That means any efforts aimed at limiting greenhouse gas concentrations will have to be even more stringent in reducing the burning of fossil fuels, clearing of forests and the like.
收集燃料占用了妇女和儿童的很多时间，这对其它生产活动带来限制，使孩子不能上学。
Fuel gathering consumes considerable time for women and children, limiting other productive activities and taking children away from school.
天然气是污染最少的化石燃料，这意味着如果世界对温室气体排放采取严格的限制，应该会有对天然气的需求。
It is the least polluting of the fossil fuels, which means it should be in demand if the world adopts tighter constraints on greenhouse gases.
但是专门的燃料和受限的烹饪时间限制了它们的适用性。
But specialist fuels and constrained cooking times can restrict their appeal.
目标是达到无燃料损坏，或者如果,产生了燃料损坏，也是被限制的，你不需要一个熔化的状态。
The objective is having no fuel failures or if there are fuel failures they're limited and two, you don't have a melting situation.
工业燃料和石脑油等工业原料的价格并未受到限制，但需求也在强劲增长。
The prices of industrial fuels and feedstocks such as naphtha are not capped, yet demand for them is also growing strongly.
尽管有许多限制，两组设计团队仍推出了能满足业界实际需求，并能减少一半燃料消耗的飞机设计。
Despite all these restrictions, two groups working on the future of aircraft have come up with designs that could meet the practical needs of the industry and still cut fuel consumption by half.
不过这种更干净的燃料一直没能投入生产，直到决策者们决定限制一氧化碳和灰尘微粒的排放量（它们是有害烟雾的主要来源，煤尘微粒则与肺癌有联系）。
But the new cleaner fuel has come on stream just as regulators are clamping down on emissions of smog-causing nitrous oxides and soot-like particulates, which have been linked to lung cancer.
科学家们正在研究发明矿物燃料的替代品；法律也制定了对有害物质排放量的限制条款；木材公司也正在进行合理化伐木等。
Science is inventing alternatives to fossil fuels; laws have been enacted to control dangerous emissions; timber companies are practicing responsible logging, and so on.
有提议说每个乘客将限制在大约200ml燃料。
It is proposed that each passenger would be limited to about 200ml of fuel.
俄罗斯的计划实际上把核燃料供给限制在签署过核不扩散条约的成员国这个范围内，印度当然不会同意。
A Russian plan would in effect be limited to NPT members, so offends India.
对于新一代的合成生物学家来说从药物转向燃料是很具吸引力的，因为燃料不像药物那样受到种种监管限制。
Fuels are an attractive alternative to drugs for the new generation of synthetic biologists because they are not subject to regulatory whim to the extent that drugs are.
发明一种燃料箱来限制氢气总是一项大挑战。
Devising a fuel tank to constrain hydrogen has always been a challenge.
一些燃料电池能使用甲烷和汽油作为燃料，但通常是限制在电厂和叉车等工业领域使用。
Some fuel cells can use methane and gasoline as fuels, but are usually limited to power plants and forklifts and other industrial fields.
加沙的150万人仍然被包围着，通常不能离开，而且主食和燃料的的进口都被限制在一个最小限度的数目。
Gaza's 1.5m people remain besieged, generally unable to leave, and with imports restricted to minimal amounts of staple food and fuel.
同时，美国加州投票否决了一项旨在暂停限制碳排放的计划；而华盛顿州决定，2011年将继续对太阳能、风能以及生物燃料等行业实行税收减免和津贴政策。
Meanwhile, voters in California rejected a plan to suspend its carbon regulations while Washington extended tax credits and subsidies for solar, wind and biofuels for another year.
正确的政策应该限制乙醇燃料的使用，而不是对其进行补贴或者强制使用。
Ethanol use could be curtailed, rather than being subsidized and enforced.
正确的政策应该限制乙醇燃料的使用，而不是对其进行补贴或者强制使用。
Ethanol use could be curtailed, rather than being subsidized and enforced.
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