正极性调幅;正极性幅度调制

用Mp3背六级单词065

optimism swap ecology charter horizon prototype uproar cereal orientation originate burner photoelectric subject compute forum racket glare flask infectious outlaw compile roundabout mercury amplitude pedal

发表于:2018-12-01 / 阅读(226) / 评论(0)

用Mp3背六级单词

英语笑话听力+文本：AM radio 调幅收音机

Iknewaguywhoplayedhisradioonlyinthemorning. Whensomeoneaskedhimwhy ， hereplied,ThisisanAMradio. Notes: 1.Iknewaguywhoplayedhisradioonlyinthemorning. 我认识一个人，他只在早上收听广播。 2.Whensomeoneaskedhimwhy ， hereplied,Thisisan

发表于:2018-12-26 / 阅读(170) / 评论(0)

英语笑话（MP3+文本）

世界节假日博览第65期:昏睡司机清醒日

California has an awareness day that all countries around the world should have. It is Drowsy Driver Awareness Day and it happens on April 6 every year. Its aim is to raise awareness of the dangers of driving your car (or riding your motorcycle) for

发表于:2018-12-29 / 阅读(243) / 评论(0)

世界节假日博览

生活大爆炸第二季第五集_2：The Euclid Alternative

-Leonard：Look, I need to get enter the laser lab. You're just gonna have to find someone else to take you home. 反正我要用激光实验室，你只能找别人送你回家了。 -Howard：Ah, damn, I picked the wrong side. 该死，我站错队了

发表于:2019-01-01 / 阅读(196) / 评论(0)

生活大爆炸第二季

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(229) / 评论(0)

2017年VOA慢速英语(一)月

电信专业英英词典Q

发表于:2019-01-03 / 阅读(174) / 评论(0)

电信英语

电信专业英英词典W, X, Y, Z

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(208) / 评论(0)

电信英语

电信专业英英词典D-5

DCE data circuit terminating equipment DCP digital communications protocol DCS digital cross-connect system DDD direct distance dialing DDN Defense Data Network Digit L Digital L is another amplitude

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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(207) / 评论(0)

电信英语

电信专业英英词典A-1

Abort - To stop doing something. Particularly, to exit a software program or stop receiving or sending a message. Access - (1) (verb) to get use of something, or (2) (noun) refers to a particular leve

发表于:2019-01-03 / 阅读(196) / 评论(0)

电信英语

电信英语及其缩略语解释-1

APCM Adaptive Pulse Code Modulation 自适应脉码调制 APCM是在PCM基础上，采用量化自适应，使均方量化误差最小的一种调制方法。 APD Avalanche Photo Diode 雪崩光电二极

发表于:2019-01-03 / 阅读(177) / 评论(0)

电信英语

电信英语及其缩略语解释-2

ASE Application Service Element 应用服务单元 ASE Amplified Spontaneous Emission 放大自发辐射 ASIC Application Specific Integrated Circuit 专用集成电路 ASF Advanced Streaming Format 高

发表于:2019-01-03 / 阅读(176) / 评论(0)

电信英语

你的刷牙方法正确吗？标准刷牙法

In toothbrushing, it is important to clean at the gum margins, because the bacteria usually accumulates here. Neglecting to clean the gum margins, the gums will become inflamed and will bleed easily on toothbrushing. 刷牙最重要的是针对牙齿的

发表于:2019-01-05 / 阅读(179) / 评论(0)

英语新闻视频

SSS 2010-11-02

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Toss a piece of leaf onto a spider web. The spider is indifferent. Because leaves don't squirm like captured flies. But Australia's assassin bug turns the tabl

发表于:2019-01-08 / 阅读(305) / 评论(0)

Scientific American(十一)月

NPR 2010-11-13

President Obama's spending the last two days of his Asia tour in Japan, shoring up trade support at a regional summit after suffering a few setbacks. Earlier at the G20 meeting in Seoul, the president was unable to secure a free trade pact with South

发表于:2019-01-08 / 阅读(205) / 评论(0)

2010年NPR美国国家公共电台11月

VOA标准英语2009年-Southeast Asia Faces Rising Risks From

In Southeast Asia, people know well the risks that extreme weather can bring, and they worry that a warmer climate will increase those risks. !Pros Laput, Daniel Schearf | Bangkok 19 December 2009 When Typhoon Ketsana hit Manila this year, the crowde

发表于:2019-01-13 / 阅读(155) / 评论(0)

VOA标准英语2009年(十二月)

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(185) / 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(184) / 评论(0)

英语新闻

XDF考研词汇串讲文本a5

along prep. 沿着ad. 向前走解析：表示沿着或向前走,一般指沿着一个线性的方向 along with 与……一起 alongside prep. 在……旁边,并肩 alphabet n. 字母表,字母系统

发表于:2019-02-03 / 阅读(218) / 评论(0)

英文语法词汇

强烈推荐考研高频词汇二-A

A abbreviation,absorption,abstract,abundance,acceleration,acceptance, accessory,accommodation, accordance,acquaintance,acquirement,acquisition,adjustment,administration, admiration,admission, adoption

发表于:2019-02-18 / 阅读(185) / 评论(0)

考研英语

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学英语单词

be a bundle of negatives

bridged contact pattern