单词：frictional electrification
单词：frictional electrification 相关文章
I am extremely privileged to be part of the Obama administration. If there ever was a time to help steer America and the world towards a path of sustainable energy, now is the time. 能够成为奥巴马政府的一员，我感到极其荣幸。如果有
TED演讲教育篇
First up today, there is no slowdown in protests against an online film thats offensive to Islam. Thousands of Muslims from North Africa to the Middle East to Southeast Asia have turned out to demonstrate against this movie. This happened yesterday i
CNN2012年(九)月
Just one month after seeking government economic assistance, amid unprecedented financial turmoil in the auto industry, the 'Big Three' American Automakers - General Motors, Ford and Chrysler - are introducing new fuel-efficient vehicles, in an effor
VOA双语新闻 2009年1月
By Zulima Palacio Washington, DC 05 May 2006 watch Hydro Power report For a long time, hydropower was considered the original renewable energy resource. In many countries, hydropower represents a high
2006年VOA标准英语（五月）
By Phuong Tran Dakar 24 September 2007 As heads of states from throughout Africa attend a U.N.-organized meeting in New York City to tackle global warming, African scientists and civil society leaders say crop production, lives, and entire villages o
2007年VOA标准英语（九月）
Just one month after seeking government economic assistance, amid unprecedented financial turmoil in the auto industry, the 'Big Three' American Automakers - General Motors, Ford and Chrysler - are introducing new fuel-efficient vehicles, in an effo
VOA标准英语2009年(一月)
Auto experts say electric vehicles are a practical alternative to gasoline-powered cars, at least for some drivers. The biggest challenge for the auto industry is expanding the infrastructure for recharging the vehicles. With last year's release of t
VOA标准英语2011年(三月)
MARY LOUISE KELLY, HOST: Big week this week for electric and hybrid cars. Volvo became the first automaker to commit to making all its models either electric or hybrid after the year 2019. And today, Tesla is rolling a new car off the assembly line,
2017年NPR美国国家公共电台7月
STEVE INSKEEP, HOST: I think we've had this headline before. Volkswagen is trying to move on from its diesel scandal - again. VW admitted two years ago to installing devices in its diesel vehicles that falsely improved their emissions tests. Now it's
2018年NPR美国国家公共电台4月
High-speed rail in China中国高铁 Tracking slower追踪高铁减速 A showcase line, but throttling back 一条示范航线，但是开始缩水 Jun 30th 2011 | SHANGHAI | from the print edition THE heart of Chinas national railway policy has been
经济学人综合
Chinese search giant Baidu has unveiled an AI digital assistant. 中国搜索引擎巨头百度于日前发布了一款人工智能数字助理。 Xiaoyu Zaijia - or Little Fish - responds to voice commands using a combination of pictures, text and s
英语新闻
Over 250 exhibits have been set up in a 20-thousand square-metre arena in Shanghai's Pudong District. The three-day event is meant to showcase both international and Chinese technology. CES Asia director John Kelly says setting up a show in China jus
英语新闻
Economics Brief 经济学简介 Six Big Ideas: The natural rate of unemployment 六大经济学原理：失业的自然比率 Central bankers' holy grail 央行银行家的圣杯 Policymakers have spent half a century in search of the natural rate of
经济学人财经系列
Electric cars presented by the world renowned automakers including Mercedes-Benz, BMW, and Ford highlighted the auto show's preview, with several models drawing visitors attention with their highly sophisticated technology, sleek designs, and stunnin
英闻天下
Over 250 exhibits have been set up in a 20-thousand square-metre arena in Shanghai's Pudong District. The three-day event is meant to showcase both international and Chinese technology. CES Asia director John Kelly says setting up a show in China jus
2015CRI中国国际广播电台
A special preview for members of the media at the annual Chicago Auto Show is a chance for manufacturers to show off their latest and greatest products about to enter the market. But what is notable about this years show is what some manufacturers ar
VOA标准英语2019年(二月)