单词:power semiconductor devices
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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,
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
The Walt Disney Company has built a room that it says can wirelessly power and charge any devices inside it. Wireless charging usually only works when a device is touching a power source. But researchers say they have found a way to provide wireless
It starts with a blip, a beep, a noise, a pattern, a signal. It could be anything - ink on paper, machine data, or even the words flowing through your minds right now. Signal generators play an important role in testing devices we use every day. The
seldom ad.很少 select vt.选择,挑选 a.选择的,精选的 selection n.选择,精选的人或物 self n.自己,本身;私心 selfish a.自私的 sell vt.卖,出售;出卖,背叛 vi.卖,销售 semester n.学期 semiconductor n.半导
Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou
offshoring n. 產業外移 Offshoring in the IT industry set off India's recent economic boom. 資訊產業的外移引發印度近來的經濟熱潮。 outsource v. 外包 The company's winning formula is to outsource all of its production. 該公司成
Indian Inventors Turn Pollution into Ink Workers at an Indian start-up company are busy cutting up pieces of metal and using them to make unusual devices. Company officials say these devices will capture smoke from diesel generators and turn it into
EXPLORATIONS - Will Physicists Have to Rewrite The Special Theory of Relativity? DOUG JOHNSON: Welcome to EXPLORATIONS, in VOA Special English. Im Doug Johnson. This week, we hear about developments in physics that, if proven correct, could have scie
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
RACHEL MARTIN, HOST: NPR's Joe Palca thinks a lot about thinking - specifically how people come up with the big ideas that change our lives. And as you'll hear in this next story, sometimes the inventor himself doesn't even recognize all the possible
Its Friday afternoon at the village bakery in Hara Kebira. This tiny Jewish community is preparing for the Sabbath meal, bringing pots of soup to be heated in wood oven. Todays customers are Jewish, but the baker here is Muslim. In much of the world
Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym
351. odd a. 奇特的,古怪的;奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期;半年 357. se
What to Do If Your Industry Is on the Way Out 如果你所在的行业过时了怎么办People in almost every profession may feel like jobs are scarce right now. For many industries, this is a temporary situation. But jobs in some fields are expec
PC:个人计算机Personal Computer CPU:中央处理器Central Processing Unit CPU Fan:中央处理器的散热器(Fan) MB:主机板MotherBoard RAM:内存Random Access Memory,以PC-代号划分规格,如PC-133,PC-1066,PC-2700 HDD:硬
By 1996 Apple's share of the market had fallen to 4% from a high of 16% in the late 1980s. 到1996年,苹果的市场份额已经从80年代末的高达16%下降到4%。 Michael Spindler, the German-born chief of Apple's European operations who had
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