单词：dc-dc power conversion
单词：dc-dc power conversion 相关文章
AS IT IS 2016-04-27 Baby Eagles in Washington, DC Get Their Names This is Whats Trending Today: Freedom and Liberty are not just important ideas in the United States. They are the names of two baby bald eagles in Washington, D.C. The bald eagle is th
2016年VOA慢速英语(四)月
US-Russian Nuclear Conversion Program Ends 美俄结束核转换项目 WASHINGTON Uranium converted from Russian nuclear warheads has provided an estimated 10 percent of U.S. electric power in recent years. The 20-year Megatons to Megawatts program h
VOA常速英语2013年(十二月)
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy
国家地理2008年
Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou
经济学人科技系列
Washington, D.C. has a complex relationship with graffiti and street art. Local street artist Gobi knows this well. Not long ago, a police officer caught him spraying colorful paint on the side of a building. Gobi did not get permission to put his de
2017年VOA慢速英语(七)月
Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power
VOA标准英语2010年(六)月
By Phil Mercer Sydney 22 May 2008 A couple has embarked on a journey around Australia in a car powered by leftover vegetable oil from fish and chip shops. Rachel and Gerard Mimmo plan to drive 18,000 miles in a specially designed four-wheel drive. Fr
VOA标准英语2008年（五月）
After a few days of teasers, here at last is the first official trailer for 'Justice League,' the DC Extended Universe's answer to 'The Avengers.' 在放送了几天片花后，《正义联盟》的首支官方预告片终于推出。《正义联盟》
英语新闻
AMERICAN MOSAIC - DC Dinosaur Hunter; New Family Movies; Albums Red and R.E.D. Welcome to AMERICAN MOSAIC in VOA Special English. Im June Simms. On our show this week, we play music from Red by Taylor Swift and R.E.D. from Ne-Yo. We also look at two
2012年VOA慢速英语(十一)月
US Energy Company: Cleaner Technologies Make Good Business Sense 美国能源公司：清洁科技有利可图 BREMO BLUFF, VIRGINIA Even before the U.S. Environmental Protection Agency released its proposed rules this month for reducing carbon emiss
VOA标准英语2014年(六月)
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy c
自然百科2008年
With Vladimir's conversion and marriage to the Byzantine emperor's sister, 通过弗拉米尔的转变，还有他和拜占庭皇妹的联姻 as well as continued trade along the Volga route, the relationship between the two civilizations deepened. 以
TED演讲教育篇
美国能源公司：清洁科技有利可图 Even before the U.S. Environmental Protection Agency released its proposed rules this month for reducing carbon emissions from the nations power plants, energy companies began converting older plants to c
VOA双语新闻 2014年6月
Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym
经济学人科技系列
Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内
经济学人科技系列
A teacher asked one of her pupils, What'sthe nation's capital?The reply was, Washington DCOn being asked what the DC stood for,the pupil added, Dot com!
趣味英语
Washington, D.C.'s cherry blossoms are so beautiful! 1) cherry blossoms 樱花 2) peak bloom 花盛开的时间 3) Washington's D.C.'s Centennial Cherry Blossom festival! 华盛顿樱花节百年纪念
OMG美语
《钢铁侠2》片尾曲AC/DC摇滚Highway to Hell 小罗伯特唐尼主演的电影《钢铁侠2》（Iron Man 2）终于全球同步上映，片中充满了金属感十足的摇滚插曲，除了主题歌是来自老牌摇滚团队AC/DC的Shoot to
影视英文歌曲
Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty
英语时差8，16