有效期已满的专利

The Lost Continent 遗失的大陆-4

The myth of Atlantis would be lost, disappearing into the shadows of the Dark Ages. It wouldn't be until European explorers inaugurated an age of discovery, that the search for a lost island paradise

发表于:2018-12-07 / 阅读(145) / 评论(0)

遗失的大陆

Patents and Inventions

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

发表于:2018-12-07 / 阅读(129) / 评论(0)

VOA2003（下）-美国人文故事

CNN 2011-05-10

We are bringing the world to your classroom, this is CNN Student News. Hello, everyone,and welcome on this Friday May 6th.My name is Carl Azuz,and as we kick off today's headlines we're beginning at Ground Zero. That's the site of World Trade Center

发表于:2018-12-20 / 阅读(246) / 评论(0)

CNN2011年(五)月

温馨夜读 PART3 11 Love Can Last Forever 爱无止境

[ti:] [ar:] [al:] [by:] [00:00.46] Love Can Last Forever 爱无止境 [00:06.47]I can honestly say it was the best of times and the worst of times. [00:12.06]I was joyfully expecting my first child at the same time [00:16.71]that my once energetic mo

发表于:2018-12-26 / 阅读(159) / 评论(0)

温馨夜读

英语听力暮光之城·暮色第361期:第二十四章僵局(8)

She glanced over her shoulder at Edward, lying with his eyes closed in the chair. You didn't tell me you had such good friends in Forks. 她越过自己的肩膀，瞥了一眼爱德华，后者依然躺在那张椅子上，紧紧地闭着双眼。你还

发表于:2018-12-26 / 阅读(118) / 评论(0)

暮光之城•暮色

US Patent and Trademark Office Issues 10-Millionth Patent

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.

发表于:2019-01-03 / 阅读(149) / 评论(0)

2018年VOA慢速英语(六)月

Love Can Last Forever

I can honestly say it was the best of times and the worst of times. I was joyfully expecting my first child at the same time that my once-energetic, zestful mother was losing her battle with a brain t

发表于:2019-01-07 / 阅读(155) / 评论(0)

阅读空间

英语听书《白鲸记》第902期

Top-heavy was the ship as a dinnerless student with all Aristotle in his head. 这艘头重脚轻的大船就象个装着满脑袋亚里士多德学说的枵腹的学者。 Well was it that the Typhoons did not visit them then. 还好，当时台风没

发表于:2019-01-11 / 阅读(121) / 评论(0)

白鲸记

2006年VOA标准英语-Cholesterol Drug Patent Expiration Could Mean S

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

发表于:2019-01-13 / 阅读(234) / 评论(0)

2006年VOA标准英语（六月）

美国国家公共电台 NPR Broad Institute Wins Big Battle Over CRISPR Gene-Editing Patent

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

发表于:2019-01-16 / 阅读(130) / 评论(0)

2017年NPR美国国家公共电台2月

Apple awarded broad patent on touch screen

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

发表于:2019-01-30 / 阅读(199) / 评论(0)

英语新闻

Google to bid for Nortel patents

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

发表于:2019-01-30 / 阅读(167) / 评论(0)

英语新闻

Obama Signs Patent Reform; Campaigns for Jobs Bill

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

发表于:2019-02-03 / 阅读(114) / 评论(0)

英语新闻

U.S. jury finds Samsung infringed Apple's patent

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

发表于:2019-02-04 / 阅读(139) / 评论(0)

英语新闻

发盘用语

发盘用语报盘to offer||to make an offer||to submit an offering发实盘to offer firm||to make a firm offer还盘to make a counter offer||to counter本报盘以尚未出售为准to offer subject to unsold, without engagement留盘to hold an offe

发表于:2019-02-05 / 阅读(132) / 评论(0)

实用英语

Obama: 'Our Hearts Are Broken Today'

WHITE HOUSE U.S. President Barack Obama wiped away tears Friday, as he offered government support and emotional support to the families of those killed in a mass shooting in a school in Connecticut. Obama said he was reacting as a parent, not a presi

发表于:2019-02-09 / 阅读(128) / 评论(0)

英语新闻

经济学人:北美贸易:不公平的比赛(2)

But in NAFTA that process has been broken for years. After Mexico launched a dispute against America over sugar in 2000, 但在是NAFTA中，这一程序多年来就已遭破坏。2000年自墨西哥针对食糖对美国发起争端后 America refuse

发表于:2019-02-16 / 阅读(112) / 评论(0)

经济学人财经系列

经济学人:埃塞俄比亚的商品交易所:高科技,低影响(1)

Finance and Economics 财经 The Ethiopias Commodity Exchange: High-tech, low impact 埃塞俄比亚的商品交易所：高科技，低影响 A state-of-the-art commodity exchange struggles with the basics. 该国最先进的商品交易所仍在基础

发表于:2019-02-17 / 阅读(98) / 评论(0)

经济学人财经系列

Microsoft reaches Android-related patent deal with LG

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

发表于:2019-02-17 / 阅读(125) / 评论(0)

英语新闻

乔布斯传第246期:IBM(3)

IBM sent to Palo Alto a 125-page contract. Jobs tossed it down without reading it. IBM给NeXT发送了一份125页的合同。乔布斯读都没读就扔掉了。 You don't get it, he said as he walked out of the room. 别来这一套。他边说边走

发表于:2019-02-22 / 阅读(131) / 评论(0)

乔布斯传

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

3D4W three dimensional four wire

average service life of chain