电脑占了这个国家商业用电的5%。
Computers account for 5% of the country's commercial electricity consumption.
有了它，科学家们就能找到更便宜、更简单的用电的方法。
With it, scientists can find cheaper and easier ways to use electricity.
他们还能提供汽车电池为无处用电的手机用户充电。
They also invite those without access to electricity to charge their phones using car batteries.
爱迪生无疑要为世人所铭记——他是推广家庭用电的先锋。
Edison is rightly remembered as the man who pioneered the widespread domestic use of electricity.
在家不用电的时候要关掉电灯和其它的一些电器。
Turn off the lights and other electronics in your home when you are not using them.
现在，它们被用作能够造出90%的工厂用电的发电机的原料。
Now, they are used to power generators that produce 90 percent of the plant's electricity.
今夏，限制用电的措施可能会挫败人们抵制核电的热情。
Brownouts this summer might weaken people's anti-nuclear zeal.
新一代的零排放太阳能光伏电板技术，也使用电的好处更加不言而喻。
Better still would be electricity from a new generation of emissions-free solar photovoltaic panels.
但是，打个比方的话：所谓的扩展点就像是一个用电的插座而扩展就是那个插头。
However, as an analogy: extension points are like electrical sockets and extensions are like plugs.
“如果处理器也能用光的形式而不是用电的形式工作就好了”，Joshi说。
"It would be nice to also see processors that work optically instead of electronically," Joshi says.
水电站的发电量一般只占到国家用电的22%，而剩下大约73%的电量均由煤炭发电站提供。
Hydro stations normally produce only about 22% of the nation's power. Most of the remainder-73%-comes from coal.
到了1890，家庭用电的使用仍在继续，而且电已成为20世纪人们生活不可缺少的一部分。
By the 1890s it was clear that domestic electricity was here to stay, and would be an indispensable part of 20th-century life.
他们还对一些效率不高的工业用电的电价翻了一番。这些工业是主要的电力消费者，包括钢铁，水泥和皮革制造商。
They have also doubled electricity prices for some inefficient industries that are high electricity consumers, including steel, cement and leather makers.
这些太阳能电池每年可以发电650万千瓦时，这些电力可以供应超过九千个美国家庭，足以满足校园用电的需求。
Those solar panels will produce 6.5-million kilowatt-hours of electricity per year.
我们用电的电视机和iPOD或许达到了最高的技术水平，可是将电送到我们千家万户的电网却几乎还是20世纪水平。
Our electrically-powered TVs and iPods might be state-of-the-art, but the grid that brings that juice to our homes is barely 20th century.
但这并不是主要问题。水电站的发电量一般只占到国家用电的22%，而剩下大约73%的电量均由煤炭发电站提供。
Scare water is not the primary problem, however. Hydro stations normally produce only about 22% of the nation's power. Most of the remainder-73%-comes from coal.
我们今天用电的方式就好像我们进到一个商店里却看不到价位：我们选取我们想要的东西，在月底却收到一张莫名其妙的账单。
The way we buy electricity today is like going to a store without seeing prices: we pick what we want, and receive an unintelligible bill at the end of the month.
如果一切顺利，在向急需空调用电的喀土穆地区输送电力的同时，甚至可能实现这个国家长久以来未完的梦想——灌溉苏丹北部待垦耕地甚至能够长久以来的梦想，当把电力输送给Khartoum来运转空调灌溉苏丹南部的农田。
If all goes well, it may even fulfil an old dream to irrigate swathes of farmland in northern Sudan, while sending electricity to run the thirsty air-conditioners of Khartoum.
我在酒吧入口附近的一个公用电话亭给她打了电话。
I called her from a public phone booth near the entrance to the bar.
我用电话答录机筛选打来的电话。
用电脑工作时良好的姿势极其重要。
教师用电邮、即时讯息、电话或传真回答学生的问题。
Instructors answer student questions by e-mail, instant message, phone or fax.
这是利用电视作为劝导方式的一个实例。
It was an object lesson in how to use television as a means of persuasion.
警方利用电子跟踪器监视缓刑期间的青年罪犯。
The police use electronic tags to monitor the whereabouts of young offenders on probation.
家用电器曾是二手买的，现在已经过时了。
Household appliances were bought secondhand and are outdated.
作为一种营销手段，用电子邮件发送广告是非常成功的。
Sending advertising by email is very successful as a marketing device.
一个小青年正在车里试图用电线短路的方法发动汽车。
调查显示，这些孩子超越了来自富裕家庭的孩子，甚至超过了那些会使用电脑的孩子。
It showed such children surpass youngsters from richer backgrounds—even those who could use computers.
调查显示，这些孩子超越了来自富裕家庭的孩子，甚至超过了那些会使用电脑的孩子。
It showed such children surpass youngsters from richer backgrounds—even those who could use computers.
应用推荐