单词：elevator power-off protection device
单词：elevator power-off protection device 相关文章
AMERICAN MOSAIC - Is the Segway the Answer to City Traffic and Pollution?By Dana Demange and Nancy Steinbach Broadcast: Friday, August 11, 2006 HOST: Welcome to AMERICAN MOSAIC, in VOA Special English
2006年慢速英语（八）月
EXPLORATIONS -February 6, 2002: Increasing Hubble’s Power By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with the VOA Special English program EXPLORATIONS. Today
Explorations
[00:05.20]Nikola Tesla developed the alternating current power system that provides electricity in the United States. [00:14.42]Many of his other discoveries led to electronic inventions for which other scientists were honored. [00:22.75]Mister Tesla
美国英语听力80篇
Environmental Protection Today on Congressional Moment. Voice2: Only within the moment of time represented by the present century, has one species man acquired significant power to alter the nature of his world. ANNCR: That was from Rachel Carson's 1
英语时差8，16
Look at how lovely these things are. 看看这些东西是多么可爱 I mean, even when they're off 我是说即使不使用它们 they're beautiful to hold. 拿在手里都觉得漂亮 In their design,Jobs' went for simplicity above all else. 在他们
名人传记
Device Keeps Internet On When Power Goes Off 断电仍可进行网络连接的设备 BERLIN A team of Americans and Kenyans has developed a new Internet router - and it's creating buzz. That's because it is an affordable, reliable solution for people
VOA常速英语2013年(九月)
中文 英文 缩写 恶化信号 degraded signal 恶意呼叫 malicious call 恶意呼叫定位信号/恶意呼叫识别信号 Malicious Call Identification signal MCI 恶意呼叫追踪 MALicious Ca
电信英语
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Last month the journal Science reported that a Swedish company was planning on using the body heat generated by commuters in a Stockholm train station to
Scientific American(二)月
SCIENCE IN THE NEWS - Device Gives New Meaning to the Idea of Power Walking Also: A common disease many people have never heard of. And scientists say people with blue eyes are genetically related. Transcript of radio broadcast: 10 March 2008 VOICE
VOA慢速英语2008年（三）月
Which Apps Drain Your Phones Battery? 哪些应用程序耗尽你的手机电池？ Does your mobile phones battery die more quickly than it once did? Apps may be the problem. Even if you did not add new apps to your phone, an app update alone can us
2016年VOA慢速英语(四)月
AS IT IS 2015-10-06 Beach Mat Charges Mobile Phone 黎巴嫩小伙开发能为手机充电的沙滩垫 Some people do not like being separated from their telephone, even while enjoying a restful holiday at the beach. So, a university student from Leb
2015年VOA慢速英语(十)月
Device Keeps Internet On When Power Goes Off Erik Hersman and his team in Nairobi have created what they say is the first router made especially for Africa. It's battery powered and rugged. And it's gaining attention in Europe and the United States.
VOA标准英语2013年(五月)
Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli
经济学人综合
41 被提议作为原子能工业废料倾倒区的丝兰山脉 DATE=6-29-01 TITLE=ENVIRONMENT REPORT - Yucca Mountain Proposed Nuclear Waste Area BYLINE=Jerilyn Watson （Start at 59
自然探索
今天我们要学的词是outage。 Outage指服务或供应中断。Power outage停电。Water outage停水。I was trapped in an elevator when a power outage occurred, 停电时我正好被困在了电梯里。A major power outage caused some flig
英语每日一词
今天我们要学的词是outage。 Outage指服务或供应中断。Power outage停电。Water outage停水。I was trapped in an elevator when a power outage occurred, 停电时我正好被困在了电梯里。A major power outage caused some flig
英语单词荟萃
BERLIN A team of Americans and Kenyans has developed a new Internet router - and it's creating buzz. That's because it is an affordable, reliable solution for people without consistent Internet access. It can run while plugged in or on battery power,
英语新闻
China is now on the front lines of efforts to develop energy sources that can balance the goals of sustaining economic growth and protecting the environment. Decisive action is needed to strengthen policy frameworks across the country to reach that g
cctv9英语新闻2015年
The movement of finger swipes may soon be able to charge our cellphones. 手指滑动的动作可能很快就可以为我们的手机充电了。 Researchers at Michigan State University have created a new way to harvest energy from human motion, usi
英语新闻