In order to convert this opaque, 90,000 hours of video into something that we could start to see, 为了把这个9万小时的录像变成我们能识辨的东西 we use motion analysis to pull out, as we move through space and through time, what we

发表于:2018-12-19 / 阅读(60) / 评论(0) 分类 TED演讲教育篇

Over the course of three years, we recorded eight to 10 hours a day, 历经3年的时间,我们每天记录8到10个小时 amassing roughly a quarter-million hours of multi-track audio and video. 积累了大约25万小时的多轨音频和视频资料

发表于:2018-12-19 / 阅读(50) / 评论(0) 分类 TED演讲教育篇

'I can't confirm that customers' data was encrypted' FRIDAY TalkTalk has suffered what it describes as a significant and sustained cyber attack.

发表于:2018-12-29 / 阅读(79) / 评论(0) 分类 英语听力精选进阶版

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

发表于:2019-01-02 / 阅读(98) / 评论(0) 分类 火星生命

Record Warm Winter in Arctic, Scientists Say New weather information shows the Arctic just had its warmest winter on record. The same information also shows that sea ice hit record lows for this time of year. That means there is plenty of open water

发表于:2019-01-03 / 阅读(58) / 评论(0) 分类 2018年VOA慢速英语(三)月

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

发表于:2019-01-03 / 阅读(186) / 评论(0) 分类 2017年VOA慢速英语(九)月

For many people, the college admissions process can seem mysterious. But what college admissions officials want is not a secret. Schools present what they want in the form of big data. That information is available to anyone online. Students can use

发表于:2019-01-03 / 阅读(49) / 评论(0) 分类 2018年VOA慢速英语(八)月

WAN wide area network WARC World Administrative Radio Consortium WATS Wide-area telecommunications services. See Wide-area telecommunications services. Waveform amplitude (magnitude) versus time repre

发表于:2019-01-03 / 阅读(99) / 评论(0) 分类 电信英语

Fade - This is a reduction in the received signal. It is caused by absorption, refraction, or reflection. Fax - This is a shortening of Facsimile, and it refers to one fax machine sending a digital re

发表于:2019-01-03 / 阅读(64) / 评论(0) 分类 电信英语

DCSl800 Digital Cellular system at l800MHz 1800MHz数字蜂窝系统 DCSl800是一种采用GSM技术的系统,在美国和欧洲实施,工作频带为1800MHz。 电信英语及其缩略语解释(1

发表于:2019-01-03 / 阅读(72) / 评论(0) 分类 电信英语

This is the story of two deals and the future of healthcare in the UK. 这是一个关于两笔交易以及英国医疗卫生事业未来的故事。 The first was made in September 2015, under which three UK hospitals in the Royal Free NHS Trust han

发表于:2019-01-03 / 阅读(83) / 评论(0) 分类 实用英语

Beijing's environment authorities last Friday vowed zero tolerance to falsification of environmental figures, after Net users complained that mist cannons, or the magic smog cleaner, are used around the capital's air quality monitoring stations so th

发表于:2019-01-07 / 阅读(60) / 评论(0) 分类 英语新闻

Dont forget to move your clocks forward this weekend. And then dont forget to be more careful in the days after you adjust your clocks. Because a recent study found that the hour of lost sleep was related to increased job-related injuries. Probably b

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(三)月

自新GRE作文题库改革以来,目前仍然没有遍历所有题库,但是某些题目确实考试中的高频文章,如果小伙伴们在准备作文时无从下手,不妨从高频开始写起,我们GRE高频作文联播将定期为大家

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 GRE作文

Hot Computers Could Be Used to Heat Homes 能给家庭供暖的计算机服务器 When computer servers operate a complex program, they can get very hot. Cooling the servers can be costly. So researchers asked what would happen if the heat created by

发表于:2019-01-12 / 阅读(73) / 评论(0) 分类 2015年VOA慢速英语(五)月

Solid State Drive Gives New Life to Old Computer 旧电脑升级固态硬盘焕发新春 Within the past few weeks, many updates to operating systems have been released: Windows 10 for PCs and OS X El Capitan for Mac. These new operating systems are

发表于:2019-01-12 / 阅读(79) / 评论(0) 分类 2015年VOA慢速英语(十一)月

Epidemiologist Joel Selanikio has used the explosion in mobile phone technology and the World Wide Web to deliver more effective public health services throughout the developing world. Dr. Selanikio and his organization DataDyne.org are making a diff

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2010年(一月)

21. Just as bosses and boards have finally sorted out their wont accounting and compliance troubles, and improved their feeble corporation governance, a new problem threatens to earn them-especially in America-the sort of nasty headlines that inevita

发表于:2019-01-16 / 阅读(114) / 评论(0) 分类 考研英语长难句讲解

Science and technology 科学技术 Climate change 气候变化 Good news at last? 终于来了好消息? The climate may not be as sensitive to carbon dioxide as previously believed 气候对二氧化碳的敏感性可能低于先前的预期 CLIM

发表于:2019-01-16 / 阅读(43) / 评论(0) 分类 经济学人科技系列

They published the data, 他们发布了这些数据, and it actually transformed clinical practice in the country. 而这一举动改变了整个国家的临床实践。 Everybody saw this makes a lot of sense. 大家都发现这样做很有意义。

发表于:2019-01-18 / 阅读(110) / 评论(0) 分类 TED演讲娱乐篇