单词：PEC (printed electronic circuit)
单词：PEC (printed electronic circuit) 相关文章
Buying Electronic Books Kindo: Whats that? Nookie: Its my new e-book reader. Im just downloading some new books onto it. Kindo: I havent bought one yet. Im old school. I still prefer a printed book. Nookie: But if you havent tried it yet, how do you
2013年ESL之餐饮娱乐
[00:00.00]MODULE 4Great inventions [00:03.69]模块四伟大的发明 [00:07.38]Unit 1Paper and printing havebeen used for ages. [00:10.07]第一单元纸和印刷术的应用已很长时间了 [00:12.75]Listening and vocabulary2 Listen and check the
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And although they could scavenge most of the parts as well, 虽然他们也能弄到零件 they didnt have the sort of skills to build them that we had acquired by training ourselves through building them. 但他们不具备制作经验和技能 So w
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24.How do you want to send it? 24.您想怎么寄？ 25.By regular mail? 25.寄普通邮件？ 26.Do you wish to send it by air mail? 26.你要寄航空邮件吗？ 27.Where would you like to send it? 27.您要寄到哪里？ 28.Be sure to put down t
实境旅游英语
Kindo: Whats that? Nookie: Its my new e-book reader. Im just downloading some new books onto it. Kindo: I havent bought one yet. Im old school. I still prefer a printed book. Nookie: But if you havent tried it yet, how do you know you wouldnt like it
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EIR Equipment Identity Register 设备标识寄存器 EIR Excessive Information Rate 过大的信息速率 EIRP Effective Isotropic Radiated Power 等效全向辐射功率 EIS Electronic Information S
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By George Dwyer Washington 30 May 2007 Ivory-billed woodpecker A North American bird believed to have become extinct in 1944 has apparently re-appeared. The Ivory Billed Woodpecker was rediscovered in February 2004 when it was reportedly spotted twic
2007年VOA标准英语（五月）
THIS IS AMERICA - Debate Over Electronic Voting By Jill Moss Broadcast: Monday, July 05, 2004 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Gwen Outen. VOICE TWO: And I'm
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By Zulima Palacio Washington, D.C. 20 September 2006 watch New Species report A team of scientists just back from combing the waters off Indonesia has announced the discovery of more than 50 new species of undersea life, including a walking shark an
2006年VOA标准英语（九月）
Maryland Couple Makes Beautiful Objects From Recycled Circuit Board There is no shortage of recycled material for Debby Arem's creations. She uses everything, from pieces of scrap metal and electronic components, to computer circuit boards and chips.
VOA标准英语2012年(三月)
Spring has just sprung in the Northern Hemisphere, and that means an annual natural spectacular is just a couple of weeks away, deep in the heart of Texas. There are no other natural wonders in the rugged Texas Hill Country. No awe-inspiring canyons,
VOA标准英语2011年(三月)
今天我们要讲几个在美国总统大选的竞选阶段常会用到的习惯用语。美国总统大选每四年举行一次。在大选年的前一年,准备竞争本党总统候选人提名的人士就已经在各州积极展开竞选活动了，
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SCOTT SIMON, HOST: Three-D printers are being used these days to make all kinds of things - jewelry, artwork, or even guns. Now, scientists have used a 3-D printer to create a functioning mouse ovary. Yes. NPR's Rob Stein explains. ROB STEIN, BYLINE:
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物理学 statics 静力学 motion 运动 inertia 惯性 gravitation 引力 relativity 相对 gravity 地心引力 vibration 震动 medium (media) 媒质 frequency 频率 wavelength 波长 pitch 音高 intensity 强度 echo 回声 resonance 回声，洪
托福英语
By Suzanne Presto Bangkok 04 January 2007 Thailand's prime minister, Surayud Chulanont, has warned that additional bomb attacks are possible following the blasts that shook the capital New Year's Eve. VOA's Suzanne Presto reports from Bangkok that p
2007年VOA标准英语（一月）
Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A
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TUNIS, March 24 (Xinhua) -- Elena Svitilona of Ukraine won the la Marsa Open after beating Bulgaria's Isabelle Shinikova 7-6, 7-6 in the final on Saturday in the north of the capital. On Friday, Svitilona easily defeated Tunisian hopeful Ons Jabeur,
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With consumers rushing to buy the latest gadgets, the problem of what to do with discarded electronic products is becoming a growing environmental concern. Although electronic recycling is not yet as popular as paper and plastic recycling, two Americ
VOA标准英语2010年(七)月
Many people today use electronic dictionaries instead of printed ones. Some people worry that printed dictionaries may disappear one day. What do you think about this? Write on ANSWER SHEET THREE a composition of about 200 words on the following topi
英语作文
Imported drugs to go on China's electronic monitoring network BEIJING, Oct. 8 (Xinhua) -- China's food and drug safety watchdog plans to put imported drugs on the national electronic monitoring network in a move to step up drug management. Overseas p
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