在这些国家，超过一半的人生活在没有电的环境中。
More than half of people in these countries live without electricity.
凯文和艾伦从来没有想过会有这样一个没有电的夜晚。
Kevin and Alan had never thought of having such a night without electricity like that before.
它比最好的赛马都要快1900万倍；然而，电的速度更快。
It flies nineteen million times faster than the best race—horse; and yet electricity is quicker still.
相反的带电粒子聚集在一起，抵消了电的张力，释放出大量的能量，就是我们看到的闪电。
The coming together of the oppositely charged particles neutralizes the electrical tension and releases a tremendous amount of energy, which we see as lightning.
我们在书本、电脑、高速公路和手机的陪伴下长大，但现在我们生活在一个没有自来水和电的村庄。
We were raised on books and computers, highways and cell phones, but now we were living in a village without running water or electricity.
1752年，本杰明·富兰克林将一把钥匙系在风筝上，在暴风雨中放飞，他发现了闪电是电的一种形式。
In 1752, Benjamin Franklin tied a key to a kite and flew it in a storm to find out that lightning was a form of electricity.
这种滚动式的洗衣机适用于缺水少电的地区。
This clothes washer was meant to be used in areas where water is scarce and electricity isn't available.
不插电的乐声是不够的；音乐需要机器。
多核心处理器在消耗更少的电的同时还能增加运算能力。
Multiple-core processors increase computing power while using less electricity.
已经加电的USB 3端口集线器，内置以太网。
电是最容易运输的一种能量，所以就需要将热转化为电的系统。
The most transportable form of energy, though, is electricity, so systems that convert waste heat into electricity are also desirable.
通用动力公司是JTRSHMS无线电的主承包商。
General Dynamics is prime contractor for the JTRS HMS program.
他的成功取决于他们能否很好的进入电网储电的市场。
Its success could depend on how well it's able to enter the market for storing power on the grid.
人们希望数以千万计的非洲人民能够从此获益，过上有电的生活。
It is hoped that millions of Africans would benefit by having access to electricity.
因此几乎所有登山者，都会携带一种，能把机械能转化为电的装置。
And therefore almost every mountaineer has with him or her a device which converts mechanical energy into electricity.
这就是无线电的商业模式，但是要真正预测到则绝非易事。
There were business-models for radio, but predicting them a prioriwasn’t easy.
科学家不断发现许多生物世界里可能有益于人类的关于电的有趣秘密。
Scientists are discovering more and more that the living world may hold many interesting secrets of electricity that could benefit humanity.
在核电站产生电的过程事实上就是关于产生热量，就像在煤电站那样。
The process of generating electricity at a nuclear power plant is really all about making heat, just as it is at a coal-fired plant.
它几乎是完全透明的，但也是电的良好导体——这些都是极佳的属性。
It is almost completely transparent, but also extremely strong and a good conductor of electricity - and that is an extremely promising set of properties.
该无线电的军标金属外壳可以使其潜入水下两米仍然正常工作。
The radio\'s Mil-Spec metal housing is submersible to two meters.
这个当然是好事喔——别忘了这台笔电的电池是不能随意更换的呢。
And of course that's a good thing, because you won't be replacing the battery here without a screwdriver.
阻抗是对电的抵抗力——小孩子也略有所知，是电压和电流强度的比值。
Impedance is related to resistance-which, as generations of schoolchildren have had drummed into them, is the ratio of voltage to current.
测试验证了该无线电的互操作性、工作范围、视频传输以及网络化能力。
The tests have proven the radios' interoperability, range, video transmission and networking abilities.
破烂的小镇只有一条狭窄的街。 李万胜一家在没有电的茅草房里，一住就好几年。
There was only one narrow street in the shabby town, and they lived in thatched houses without electricity for several years.
为了处理长期的水资源不足问题，采用了电的地下水泵、柴油运水车和煤炭发电站。
To cope with its chronic water shortages, India employs electric groundwater pumps, diesel-powered water tankers and coal-fed power plants.
科学家们正在努力降低这种无线电的能耗，使之能与毫米级电池更好地协同。
The scientists are now working on lowering the radio's power consumption so that it's compatible with millimeter-scale batteries.
科学家们正在努力降低这种无线电的能耗，使之能与毫米级电池更好地协同。
The scientists are now working on lowering the radio's power consumption so that it's compatible with millimeter-scale batteries.
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