单词：traveling-wave power amplifier
单词：traveling-wave power amplifier 相关文章
A: Something's wrong with my computer. B: What's the problem? A: My computer won't turn on. B: Did you see if all the connections are right? A: I'm not sure I understand what you mean. B: The connections between your CPU and your outlet. A: Is that w
英语情景对话-日常生活
Using Electronics While Traveling Justin: Are you nearly packed? Marsha: Almost. Lets see, I have wall chargers for my cell phone and other devices, extra memory cards for my camera, and noise- canceling headphones for the airplane. Justin: Oh, yeah,
2013年ESL之旅行交通购物
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
The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei
彭蒙惠英语
2 What are the two speakers doing? [A] Walking down a hill [B] Climbing stairs [C] Discussing a trip
听听测测
3 Where are the two speakers? [A] In a restaurant [B] On a farm [C] At the man's home
听听测测
Cameras captured the moment the earthquake hit at 2:46 on Friday afternoon in Japan. The nation's lawmakers felt the power of the magnitude 8.9 force. And the cameras rolled here in a Sendai newsroom about 90 miles from the quake. It set off this hug
万花筒2011年
Waves 波浪 A wave is the movement of water. 波浪是水的运动。 Why do waves happen? 波浪是怎么产生的呢？ Waves are made when the wind blows over the surface of water. 风吹水面就会产生波浪。 On the beach, you probably watc
与美国小学生一起学英文第10册
US Agency Announces Wave Energy Prize Competition 美国能源部发起能源奖竞争 Experts say that sun and wind are the richest sources of clean, renewable energy. But ocean waves also create powerful, clean energy. So, the U.S Department of Ene
2015年VOA慢速英语(五)月
A severe heat wave sweeping across the plains of India has claimed at least 100 lives. It has also led to power and water shortages in many parts of the country, including the capital, New Delhi. Dogs join daily wage laborers and rickshaw pullers as
VOA标准英语2009年(六月)
Harnessing Ocean Wave Power Provides Cheap Electricity 利用海洋波浪提供廉价电力和饮用水 WASHINGTON An often overlooked renewable energy resource is the power of ocean waves. Scientists in California say harnessing energy from the regu
VOA标准英语2014年(三月)
I am going on a series of astonishing adventures. Traveling along three of the mightiest rivers on the planet.These rivers have given rights to some of the world's greatest civilizations. For centuries, we washed their life-giving waters and feared t
自然百科2015年
Janet Jackson的新专辑登上了美国流行专辑榜榜首位置，这是她7年的第一个冠军,但唱片的销量却折射出音乐界总体的滑坡。 《Discipline》是杰克逊音乐生涯中第6张冠军专辑，截止到3月2日，共售出18.1075万张。而她此前的两张专辑虽然只取得亚军，但销量相当可观。 Artist
音乐咖啡厅
At age 89, Mary Fasano graduated with a bachelor s degree from the Extension School last week and entered the history books as the oldest person to earn an undergraduate degree at Harvard. Following is the speech she delivered -- The Power of Knowled
阅读空间
听歌学英语:Traveling Light 演唱者Joel Hanson和Sara Groves是两个乡村歌手,Joel 是一个优秀吉他弹奏者,在与Sara Groves合作前发行过两张专辑《broken》和《Interview》。与Sara Groves合作的第一支单曲就是《
听歌学英语
And the direction the crystals are pointing makes a difference to the speed seismic waves travel through the rock: a wave traveling parallel to the crystalsin other words, along the length of the toothpickmoves faster than a wave traveling in the oth
英语时差8，16
The death toll from the heat wave currently gripping India has surpassed 13-hundred, with temperatures soaring above 47 degrees in certain parts of the country. Southern India's Andhra Pradesh has recorded over a thousand deaths. From last one week,
2015CRI中国国际广播电台
Justin: Are you nearly packed? Marsha: Almost. Lets see, I have wall chargers for my cell phone and other devices, extra memory cards for my camera, and noise- canceling headphonesfor the airplane. Justin: Oh, yeah, I forgot to pack my headphones. Id
地道美语播客