更糟的是，电力需要在全国传输数百公里。
To make matters worse, the electricity also has to be transported hundreds of kilometers across the country.
基载电力需要全天候地稳定传输，而柴油机发电更能顺应急剧上升的供应需求。
Baseload power is delivered at a steady rate around the clock, while diesel is more suited to meeting spikes in demand.
在有些情况下，合作关系会延伸到利益分配、以及在电力需要不断增加的国家中的联合销售优先权。
In some cases, partnership extends to gain-sharing and joint marketing and sales initiatives in countries with a growing power need.
大臣们也讨论了有必要建立清洁煤电站，以满足未来的电力需要，同时帮助英国减少对俄罗斯等国在天然气供应方面的依赖。
Ministers have talked up the need for clean coal plants to meet future electricity needs and to help Britain rely less on gas supplies from nations such as Russia.
当需要全功率激增时，拖船可以从电池获得额外的电力。
The tugboat could draw extra power from the battery when full-power surges were needed.
他们还没有拿出美国电力科学研究院说需要的500万美元，这笔钱是为了通过制造更小更便宜的激光器来开发一个商业系统。
They have not yet come up with the $5 million that EPRI says will be needed to develop a commercial system, by making the lasers yet smaller and cheaper.
它可以为电脑、iPad、吹风机和许多其他需要电力的小东西充电。
This can charge a computer, an iPad, a hair-dryer, and many other small things that need power.
一套这样的套装需要大量的电力，电池目前只能维持15分钟左右。
A suit like this needs a lot of power and batteries only last about 15 minutes at the moment.
我们需要它来耕种、洗涤、提供电力、控制火灾，最重要的是——供我们饮用。
We need it to farm, to wash, to provide power, to control fires and—most importantly—to drink.
核电厂需要电力去操作电机，阀门，和仪表，去操作控制提供冷却水到反应器内部的系统。
Nuclear plants need power to operate motors, valves and instruments that control the systems that provide cooling water to the radioactive core.
建设风力发电站的最佳场所是远离建筑物的开阔地带，所以需要建设电力传输线路把风力发出的电传送到需求最大的城区。
Wind power is best in open areas away from structures so power lines are needed to move the electricity it to urban areas where demand is the biggest.
就某种意义来说，日本现在处境是：日本需要电力，但是在日本国内既没有煤也没有油。
In a sense, that's the situation here: Japan needs electricity, and there's little coal and no oil domestically.
由于没有电力将需要的水泵出以冷却原子核，工程师们将放射性的蒸汽排到空气中以减轻压力。
Lacking electricity to pump water needed to cool the atomic core, engineers vented radioactive steam into the atmosphere to release pressure.
为了应对这一变化，数据中心本身需要在电力、冷却和内存使用量方面加以改进。
The datacenter itself needed to be equipped to handle this change: power, cooling, and footprint.
2008年，南非曾发生了一连串的断电事故，而平时得从邻国进口电力，迫切需要增加更多的发电量。
South Africa, which had a rash of blackouts in 2008 and imports electricity from its neighbours, sorely needs more generating capacity.
更加无法想像的，一些为最近的小配件所需要的电力可能是在一个几十年前的发电厂。
More prosaically, some of the electricity for your latest gadget was probably made in a power plant that's decades old.
一些采取蒸馏海水的方法，通过将海水加热，蒸发出部分海水，之后将其浓缩，而这一方法需要电力。
Some distil seawater by heating it up to evaporate part of it. They then condense the vapour-a process that requires electricity.
矿山位于遥远的南戈壁滩，这个位置需要数量可观的电力和水量，尚未提及机场。
The mine's remote South Gobi location requires considerable amounts of power and water, not to mention an airport.
尽管谷歌庞大的数据中心需要大量电力来支持，这一点毫无疑问，但这家公司所擅长的是信息和在线广告，而不是发电。
While there's no question that Google's giant data centers require vast amounts of power, the company's expertise is in information and online advertising, not generating electric power.
把水推过核心意味着需要由电力驱动的水泵。当一座反应堆从电网断开时会发生什么？
Pushing water past the core means pumps that are generally run by electricity. What happens when a reactor gets disconnected from the grid?
通过这样做，操作员就可以把数据中心的电力留给真正需要电力的服务器。
By doing so, the operator can free up power across the datacenter for servers that really need the power.
更厉害的是，它价格更低，且比那些常用于机器人的金属手臂需要的处理电力更少。
What's more, it's cheaper and requires less processing power than the metal hands typically used in robots.
尽管其他电力推进系统存在，他们需要一个高压的容器来贮存推进剂。
Although other electric propulsion systems exist, they require a pressurized container to store the propellant.
然后，当需要电力时，将水释放，通过涡轮机发电。
Then, when that power is needed, the water is sent through a turbine to generate electricity.
然而，有些试行这项技术的工厂却发现产生电弧需要大量电力。
What some pilot plants have shown so far, however, is that a lot of the electricity produced is needed to power the arc.
既然它们更小，那么公共事业可以不需要关闭整体电力生产的情况下进行维修工作。
Since they are smaller, utilities can conduct maintenance work without the entire power production going offline.
与瘦客户机相比，传统的PC需要更多的电力和更强的冷却系统，寿命更短。
Traditional PCs require more power and cooling than thin clients and have a shorter lifespan.
与瘦客户机相比，传统的PC需要更多的电力和更强的冷却系统，寿命更短。
Traditional PCs require more power and cooling than thin clients and have a shorter lifespan.
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