[计] 持续时间调制, 脉冲宽度调制

RAVEL :COLORFUL EXPRESSIONS THROUGH MUSIC

Maurice Ravel was born in 1875 in a little village in southern France near the Spanish border. His father was Swiss and his mother was Basque. Ravel's devotion to his mother bordered on the 1)obsessiv

发表于:2018-11-28 / 阅读(234) / 评论(0)

疯狂英语2001年

听美文故事记6级单词01-06

Why having fun makes time speed为何快乐的时间溜得快 Scientists have come up with a theory for why time flies when you are having fun-- and drags when you are bored. 科学家们提出理论依据，解释为什么当你玩得开心的时候，

发表于:2018-11-30 / 阅读(236) / 评论(0)

听美文故事记6级单词

VOA慢速英语2010年-EXPLORATIONS - The Story of Radio

STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about the history of radio and the latest technology. (MUSIC) SHIRLEY GRIFFITH: Our story begins in Britain in eighteen seventy-three. A scientist named James Max

发表于:2018-12-01 / 阅读(154) / 评论(0)

2010年VOA慢速英语(十二)月

TED演讲:我们能够避免老化(7)

It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善，因为利润会分散生物技术研究公司的注意力， but it's basically got a 90 percent chance, I think, of succeeding in this. 但我

发表于:2018-12-05 / 阅读(161) / 评论(0)

TED演讲科学篇

VOA慢速英语--英语日常语法:动词时态

An Introduction to Verb Tenses 英语日常语法:动词时态 For VOA Learning English, this is Everyday Grammar. Today we are going to give you a basic overview of the verb tense system in English. Verb tenses tell us how an action relates to the f

发表于:2018-12-16 / 阅读(99) / 评论(0)

2016年VOA慢速英语(一)月

新编大学英语阅读部分第四册Unit8-1

Unit 8 The Media In-Class Reading It's Radio! The medium that can turn anywhere into somewhere 1 The truth is that radio has not been eclipsed by television and cable and the Internet. In fact, radio

发表于:2018-12-18 / 阅读(443) / 评论(0)

新编大学英语阅读部分

生活英语对话 Episode 76: A new flatmate?

本单元是关于新房客伙伴的对话 Helen: Ok everyone, I've got an announcement. We need to get someone for Michal's room as soon as possible. Alice/Tim: Really? Helen: Yeah well, he e-mailed me the other day and he seems to be staying in Poland, at least

发表于:2018-12-26 / 阅读(163) / 评论(0)

公寓伙伴

2014年ESL之餐饮娱乐 08 Describing Duration

Describing Duration Kathryn: Are you still watching that movie? Its been over three hours! Martin: Yeah, its a little long for a feature film. Kathryn: A little long?! Its interminable. How can you continue to watch it? Martin: Well, the first half w

发表于:2018-12-27 / 阅读(233) / 评论(0)

2014年ESL之餐饮娱乐

【英语趣味课堂】萨尔萨舞曲-Salsa Dancing

Jana: Hey, Peter, are you interested in dancing by any chance? Peter: Yeah, I do. I like dancing. Why? Jana: That's great. Well there is a salsa class in Oita City tomorrow night and a few of us are going but it's mainly we have a group of girls, fiv

发表于:2018-12-29 / 阅读(118) / 评论(0)

英语趣味课堂

Norway to End FM Radio Broadcasts

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(199) / 评论(0)

2017年VOA慢速英语(一)月

Have You Been Using the Perfect Progressive?

Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our episodes on progressive and perfe

发表于:2019-01-02 / 阅读(153) / 评论(0)

2017年VOA慢速英语(一)月

体育词汇—滑翔伞比赛名 paraglider

发表于:2019-01-03 / 阅读(177) / 评论(0)

奥运英语

电信专业英英词典C-4

Compatible - When one object can be used interchangeably with another. Composite Baseband - The unclamped and unfiltered output of the satellite receiver's demodulator circuit. It contains all of the

发表于:2019-01-03 / 阅读(133) / 评论(0)

电信英语

电信英语及其缩略语解释-20

DSB Direct Satellite Broadcast 直接卫星广播 DSB Double SideBand 双边带 DSBRC Double SideBand Reduced Carrier 双边带减幅载波 DSBSC Double SideBand Suppressed Carrier 双边带抑制载波

发表于:2019-01-03 / 阅读(156) / 评论(0)

电信英语

专业术语-EDGE

Enhanced Data rates for GSM Evolution, or EDGE, is a digital mobile phone technology which acts as a bolt-on enhancement to 2G and 2.5G General Packet Radio Service (GPRS) networks. This technology wo

发表于:2019-01-03 / 阅读(162) / 评论(0)

电信英语

VOA慢速英语2016--The Perfect Progressive Tenses

The Perfect Progressive Tenses Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our ep

发表于:2019-01-12 / 阅读(209) / 评论(0)

2016年VOA慢速英语(一)月

TED演讲:什么是疼痛(2)

But modulation networks are also activated that deliver endorphins and enkephalins, 不过调制网络也被唤醒，去传递安多芬和脑啡肽， chemicals released when you're in pain or during extreme exercise, creating the runner's high. 这些

发表于:2019-01-17 / 阅读(137) / 评论(0)

TED演讲教育篇

哺乳动物已实现逆生长十年内将进行人体试验

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现，动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后，可能仅需10年，人类就可以告别白发

发表于:2019-02-01 / 阅读(140) / 评论(0)

趣味英语

中国发现治疗肥胖症儿童方法

BEIJING, July 26 (Xinhua) -- A research team led by Chinese scientists have discovered dietary modulation of gut microbiota can alleviate both genetic and simple obesity in children. The findings of the team, led by Zhao Liping with Shanghai Jiaotong

发表于:2019-02-02 / 阅读(159) / 评论(0)

英语新闻

外贸英语话题王第111期:申请程序

Applying procedures 申请程序 I'm going to apply for a patent but I'm not sure how to prepare the application. 我想申请专利，但不知道如何准备。 Would you please help me? 你能帮我吗？ Sure, glad to help. 当然，很高兴能帮

发表于:2019-02-15 / 阅读(100) / 评论(0)

外贸英语话题王

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

classification of income