单词：quarter-wave attenuator
单词：quarter-wave attenuator 相关文章
1) Entrepreneurs are spending millions to create for-profit universities of the Internet, and the smart money is betting that by the time your middle schoolers go off to college, they may not really g
疯狂英语2002年
Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresittin Ontopoft
美国 Kidsongs 英语儿童歌曲
One of the newest sources of alternative energy is also one of the oldest - water power. The 19th century water wheel, though, bears no resemblance to the 21st century contraptions powered by ocean waves. The wave energy sector has been slow to coale
VOA标准英语2010年(十一)月
今天我们要学的词是 heat wave. Heat wave 热浪。A recent study warns that the number of people dying during heat waves is likely to rise sharply in some regions by 2080 if policymakers fail to take action in climate and health policies. 最近
英语单词荟萃
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v
每日攻克5词
CatchAWave Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresitt
美国 Kidsongs 英语儿童歌曲
China's weather observatory has issued a blue alert for a cold wave in the coming two days that will sweep central and east China. The National Meteorological Center forecasts sharp temperature drops of up to 10 degrees Celsius and heavy wind to Inne
cctv9英语新闻2015年
今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气
英语单词荟萃
今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气
英语每日一词
At least 50 people have been killed in a new wave of deadly suicide bomb attacks in Iraq. Iraqi authorities also say more than 170 people have been wounded in the attacks. The first explosions were believed to have been set off by female suicide bom
VOA标准英语2008年（七月）
Mad World: 80s New Wave Rock Acts in Their Own Words Music fans have already seen songs of the 1960s get their due and the sounds of the 1970s have been endlessly analyzed as well. But what about the 1980s? The authors of a new book are celebrating t
VOA标准英语2014年(六月)
RACHEL MARTIN, HOST: I say renewable energy and you probably think wind or maybe the sun. You might be able to put the ocean's waves on that list, too. The Department of Energy is experimenting with this idea. The department is spending $40 million t
2017年NPR美国国家公共电台11月
MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi
2018年NPR美国国家公共电台3月
How A Wave Is Unlike An Armadillo: One Reporter's Summer Puzzle AUDIE CORNISH, HOST: This summer, NPR's science desk has been obsessing over waves - ocean waves, sound waves, even the wave you sometimes see fans doing at sporting events. Science corr
2016年NPR美国国家公共电台8月
图片1 Hey! Over here! Were over here! We are waving at you so you look over here! This weeks word is wave and all of its different meanings. Listen in and see if you are on the same wavelength as us.
英语博客-北美风情
TOKYO, Feb. 14 (Xinhua) -- Japan's economy shrank(缩小) an annualized real 1.1 percent in the fourth quarter of 2010, marking the first contraction in five quarters, the Cabinet Office said Monday. The October-December period figure, measured by gr
英语新闻
BERLIN, Aug. 13 (Xinhua) -- German economy （经济） has seen a rapid recovery in the second quarter, as the gross domestic product (GDP) （国内生成总值） registered a growth of 2.2 percent compared with the first quarter, a record in the
英语新闻
Britain's economy is sinking further into recession, even more than analysts had projected. The British government said Wednesday its economy contracted seven-tenths of a percent in the April-to-June period, its worst quarter since the height of the
英语新闻
Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low
2016CRI中国国际广播电台
Sunrise... sunset One day I just can't forget. I follow you... you follow me We left footprints on the beach... You're so wrong... you're so right I can see us bathing in the moonlight Can you... can you... see... see it... see it too? (This is what
节奏布鲁斯