有损数据压缩法

maintenance inflict identification unemployment intensify decay idiom outbreak idleness beam overwhelming shipwreck graphite thrifty preset misfortune untie compression immortal weary roam transplant impartial vocal

发表于:2018-12-01 / 阅读(164) / 评论(0) 分类 用Mp3背六级单词

New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了, 想救人家

发表于:2018-12-07 / 阅读(166) / 评论(0) 分类 60秒科学

1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值;临界值

发表于:2018-12-08 / 阅读(88) / 评论(0) 分类 英文名句短语

1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes,it has been uesd in China for almost twenty years. A:在中国有使用CAM的吗? B:有啊,在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc

发表于:2018-12-26 / 阅读(101) / 评论(0) 分类 天天商务口语

THIS IS AMERICA - Political Data Miners Really Get to Know You STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein. This week on our program, we look at how political campaigns use dat

发表于:2019-01-02 / 阅读(89) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Big data is having an increasing effect on the way we live. Big data can be defined as information that is too big or complex to be contained or processed by any one machine or person. It can include which comments, photographs or stories you like on

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 2017年VOA慢速英语(二)月

Facebook says it will begin informing users as to whether their personal data may have been wrongly shared with a British research company. Beginning Monday, Facebook said users who may have had private data shared with Cambridge Analytica will recei

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 2018年VOA慢速英语(四)月

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 电信英语

BEIJING, March 25 (Xinhua) -- Datang International Power, a listed unit of China Datang, a major Chinese power producer, said Sunday its net profit fell 22.78 percent year-on-year to 1.91 billion yuan (303.2 million U.S. dollars) due to rising therma

发表于:2019-01-07 / 阅读(84) / 评论(0) 分类 英语新闻

Study finds chest compressions are the real life-saver Art Chimes | St. Louis, Missouri 29 July 2010 Cardiopulmonary resuscitation, or CPR, has been around in its modern form for about 50 years. Its rhythms of chest compressions and mouth-to-mouth br

发表于:2019-01-13 / 阅读(90) / 评论(0) 分类 VOA标准英语2010年(七)月

New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in

发表于:2019-01-14 / 阅读(109) / 评论(0) 分类 VOA标准英语2016年(九月)

AUDIE CORNISH, HOST: We live in an age of big data as our daily decisions are increasingly steered by computers. This week on All Tech Considered, we learn how the police are catching up with the rest of us. (SOUNDBITE OF ULRICH SCHNAUSS' NOTHING HAP

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 2018年NPR美国国家公共电台6月

SAN FRANCISCO, April 22 (Xinhua) -- Apple and Google collect smartphone(智能手机) users' location information as part of their race to build massive databases, The Wall Street Journal reported on Friday after analyzing data and documents. Accordi

发表于:2019-02-03 / 阅读(90) / 评论(0) 分类 英语新闻

HELSINKI, Nov. 7 (Xinhua) -- A data leak was uncovered in Finland Saturday, in which personal details of around 16,000 people were uploaded onto a file-sharing website, according to Finnish media report on Monday. This act of sabotage is the largest

发表于:2019-02-08 / 阅读(70) / 评论(0) 分类 英语新闻

Publishers' Dilemma: Judge A Book By Its Data Or Trust The Editor's Gut? KELLY MCEVERS, HOST: Publishing is a notoriously risky business. A publishing house might give a first-time author a six-figure deal, and then the book flops. It's always been h

发表于:2019-02-13 / 阅读(88) / 评论(0) 分类 2016年NPR美国国家公共电台8月

今天我们要学的词组是data breach。Data breach,意思是数据泄漏。In the US, a data breach at Equifax, one of the country's three major credit reporting agencies, left driver's license numbers and other sensitive information for 143 m

发表于:2019-02-16 / 阅读(70) / 评论(0) 分类 英语单词荟萃

BEIJING, Jan. 25 (Xinhua) -- The commerce authorities of China and the United States on Friday unveiled a report on a statistical discrepancy in merchandise trade, saying the discrepancy's share in bilateral trade is dropping. The report was based on

发表于:2019-02-17 / 阅读(83) / 评论(0) 分类 英语新闻

NEW YORK, April 6 (Xinhua) -- The U.S. dollar climbed against major currencies this week as concerns about the European debt crisis again weighed on the euro and upbeat U.S. job data helped restore investors' confidence in the U.S. economy. The dolla

发表于:2019-02-17 / 阅读(70) / 评论(0) 分类 英语新闻

XICHANG, Sichuan, July 12 (Xinhua) -- China blasted off a new data relay satellite Tianlian I-02 on Monday at the Xichang Satellite Launch Center in southwest Sichuan Province . The satellite was launched on a Long March-3C carrier rocket at 11:41 p.

发表于:2019-02-18 / 阅读(95) / 评论(0) 分类 英语新闻

The European Union countries have reached an agreement to exchange information on the tax affairs of multinational companies under new rules. The rules are aimed at stopping multinationals from avoiding paying their fair tax shares. The measures take

发表于:2019-02-25 / 阅读(84) / 评论(0) 分类 cctv9英语新闻2016年