单词：principal patent
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By Jerilyn Watson Broadcast: October 6, 2003 (THEME) VOICE ONE: An office in the United States government has helped protect 1)the property rights of inventors for more than two-hundred years. Its job
VOA2003（下）-美国人文故事
[00:00.00] Uint 7 [00:02.90]Lesson 25 [00:06.14]New word and expression [00:10.08]manners [00:11.52]pl.礼貌 [00:12.96]Zak [00:14.18]n.扎克 [00:15.41]Epps [00:16.69]n.艾普斯 [00:17.97]principal [00:19.45]n.校长 [00:20.92]seat [00:22.24]n.座位
广州初中4A
Tina was going back to school for her third masters degree. She was a Special Education teacher, but she couldnt take her job anymore, so she had quit. The kids were out of control. There were too many of them in one classroom for her to manage effec
365个英语简短小故事
Grammar Girl here. Today were going to recall that the principal is indeed your pal, but well also see that a principal can be so much more. In this episode well talk about the various ways to use principlethats p-l-eand principalthats p-a-l. (These
英语语法 Grammar Girl
The United States has issued its 10 millionth patent. President George Washington signed the first almost 228 years ago. A patent is an official document that gives an individual or company the right to be the only one that makes or sells a product.
2018年VOA慢速英语(六)月
By Mil Arcega Washington, D.C. 26 June 2006 watch Zocor report The 20-year patent on the cholesterol-lowering drug, Zocor, expired this past Friday, opening the door to competition from cheaper, generic versions of the popular drug. But some lawmake
2006年VOA标准英语（六月）
STEVE INSKEEP, HOST: We have the story this morning of a patent - a very, very lucrative patent. DAVID GREENE, HOST: It is for a tool called CRISPR. Sounds like a kitchen instrument, doesn't it? But it's actually a high-tech gene-editing tool. INSKEE
2017年NPR美国国家公共电台2月
RACHEL MARTIN, HOST: In North Carolina, more than 60,000 students are starting another week without school. Their districts are still taking stock of the damage caused by Hurricane Florence, and many of the students and teachers who evacuated are sti
2018年NPR美国国家公共电台9月
You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且，这还是件很有影响力的事
TED演讲娱乐篇
Business Drugmakers Cliffhanger 商业 制药企业 悬念 Big Pharma struggles to protect its blockbusters as they lose patent protection 大型制药企业艰难保护着专利失效的重磅炸弹药物 FOR some years the big drugmakers have been
经济学人商业系列
SAN FRANCISCO, June 22 (Xinhua) -- Apple Inc. has been awarded a long sought-after patent for touch screen functionality on portable devices, a set of exclusive rights expected to play into its current litigation against its counterparts in the mobil
英语新闻
SAN FRANCISCO, April 4 (Xinhua) -- Google Inc. on Monday announced that it is bidding for patent portfolio of Nortel Networks in the bankruptcy auction for the Canadian telecommunications equipment maker. In a press release, the Toronto-based Nortel
英语新闻
President Barack Obama has signed legislation to speed the process of approving U.S. patents. The president says the new law is part of his initiative to create jobs and stimulate economic growth. President Obama visited a high school for science and
英语新闻
SAN FRANCISCO, Aug. 24 (Xinhua) -- A U.S. federal court jury on Friday said it has found Samsung infringed six of Apple's patents and ordered it to pay more than 1 billion U.S. dollars in damages to Apple. The verdict was read in a U.S. district cour
英语新闻
The selfie stick didn't always look like this. The original patent was filed all the way back in 1984, before cell phones were ubiquitous. Before the word selfie was even coined, let alone in the dictionary. The first selfie stick was neither as eleg
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China expects knowledge-intensive services to contribute 20 percent of its gross domestic product (GDP) in 2020, up from 15.6 percent in 2015, according to the five-year plan for the country's scientific and technological progress by 2020. 根据《十
英语新闻
SAN FRANCISCO, Jan. 12 (Xinhua) -- Microsoft on Thursday announced a patent licensing agreement with LG Electronics covering the South Korean manufacturer's tablets, smartphones and other consumer devices running Google's Android or Chrome operating
英语新闻
By Shahnawaz Khan Srinagar 11 February 2008 After disputing control of Kashmir for more than six decades, India and Pakistan are now engaged in a squabble over a patent for Kashmir Pashmina, a product experts say is the best of its kind. Shahnawaz Kh
VOA常速英语2008年（二月）
Tired of dragging your suitcase through busy airports? Here comes a solution: ride on it and honk your way through. 厌倦了在熙熙攘攘的机场拖着你的旅行箱？现在有办法了：骑在旅行箱上，一路鸣笛而过。 He Liangcai,
英语新闻
Science and technology 科学技术 Biotechnology patents 生物技术专利 Natural justice 自然正义 America's Supreme Court is to rule on the patenting of genes 美国最高法院将对基因专利做出裁决 THE nine justices on America's Sup
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