单词：energy efficiency ratio
单词：energy efficiency ratio 相关文章
Chinese authorities have enacted a new regulation for car makers from April 1. All domestic and foreign auto makers that operate in China now run under a two-credit system, which consists of the index of Car Average Fuel Consumption - or CAFC - and t
2018CRI中国国际广播电台
我们多数人都知道应该控制能源的使用，但我们首先应该知道怎样做才是最好的方式。 Most of us know we should rein in our energy use. But to be successful, itd help if we knew the best way to do it. So scientists asked
60秒科学
图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t
数学英语
图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt
数学英语
By Ernest Leong Washington, DC 04 February 2008 It is winter in Washington, people bundled in heavy coats to shield themselves from the cold weather. Many seek refuge at indoor events. The recently held Washington Auto Show - where visitors got an up
VOA常速英语2008年（二月）
Homes are rising on the National Mall in Washington, D.C. No, it's not a return of Hoovervilles thanks to the Great Recession. These are solar homes competing in the U.S. Department of Energy's Solar Decathlon, which starts October 8. From Cornell Un
Scientific American(十)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Most of us know we should rein in our energy use. But to be successful, it'd help if we knew the best way to do it. So scientists asked more than 500 peo
Scientific American(八)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
Scientific American(四)月
New Lab to Test Energy-Saving Technologies 新实验室测试节能技术 Most of the electrical energy in the U.S. is consumed by buildings and the building sector has the fastest growing rate, but up to now the country did not have a facility for c
VOA标准英语2014年(七月)
Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours
VOA标准英语2013年(七月)
Scientists Aim to Boost Efficiency of Wind Farms 科学家致力于提高风力发电的效率 Modern wind turbines usually operate in groups or so-called wind farms, some of them with more than 100 turbines. But the air turbulence they create decrea
VOA标准英语2015年(三月)
The eighth US-China Energy Efficiency Forum has been held in Denver, in the US State of Colorado. At the forum, both sides agreed that Sino-US cooperation is essential to the low-carbon and green development of the world. CRI's Guan Chao has more. Ho
2017CRI中国国际广播电台
By Scott Stearns White House 19 December 2007 The United States is boosting fuel efficiency standards in automobiles for the first time in 32 years. VOA White House Correspondent Scott Stearns reports, President Bush signed the new standards into law
VOA常速英语2007年（十二月）
BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up
英语新闻
Most of us know we should rein in our energy use. But to be successful, itd help if we knew the best way to do it. So scientists asked more than 500 people, Whats the most effective thing you can do to conserve energy? The results were illuminating. 很
实用英语
China's first permanent magnetic monorail train has successfully completed a test run in the city of Qingdao, in Shandong Province. The high-tech urban transportation system features strong climbing capacity, a small turning radius, energy efficiency
cctv9英语新闻2016年
U.S. President Barack Obama is mandating higher energy efficiency standards for common household appliances as part of a broader effort to overhaul the nation's use of fuel and electricity. Mr. Obama says the economic recovery package before Congres
VOA标准英语2009年(二月)
环境保护和污染治理已经成为现在大家最关注的话题之一。发展清洁科技，提高能源使用效率成为提升环境质量的不二选择。 Cleantech refers to the technology that is itself environmentally friendly or that h
英文语法词汇
As I was leaving China, the engineer that brought Bill Gates there kind of pulled me aside, and he said, 当我离开中国的时候，那个请来比尔盖茨的工程师曾把我拉到一边，然后他说， You know, Michael, I appreciate your in
TED演讲国际问题篇
Back to basics 节能以人为本 Energy efficiency is not very flashy. That may be a selling point 能源增效并不那么高高在上，也许它还是个卖点。 Hope those are energy-saving bulbs 希望大家都使节能灯泡 WHEN Richard Sanc
经济学人综合