【遗传学】协同进化

concerted evolution的用法和样例：

例句

From long period evolution with plants, plant virus obtains the ability to code gene silencing suppressors against this defense system.基因沉默系统是植物抵抗病毒侵染的防卫体系，在长期的协同进化过程中，由病毒编码的抑制蛋白可以抵消基因沉默系统的作用。

新概念优美背诵短文50篇 Unit17:Evolution of Sleep

17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of s

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新概念优美背诵短文50篇

听一分钟英文：Evolution-进化

I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to

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听一分钟英文-E

VOA慢速英语2009-EXPLORATIONS - The Father of Evolution Turns 200

VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin

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VOA慢速英语2009年（二）月

新东方背诵文选 L17.Evolution of sleep

Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evide

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新东方背诵文选

SSS 2009-02-20

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Creationists often publish lists of a few dozen scientists who doubt Darwin. So in 2003, the National Center for Science Education put together a list of 200 scientist

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Scientific American(二)月

纯正英语一分钟-evolution

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纯正英语一分钟

六人行FriendsMP3 2-3

The One Where Mr. Heckles Dies -------------------------------------------------------------------------------- Written by: Michael Curtis I could see her brain. Monica: How many perfectly fine women

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六人行—第1-5季

SCIENCE IN THE NEWS - Evolution and Intelligent Design

SCIENCE IN THE NEWS - Evolution and Intelligent Design By Jill Moss Broadcast: Tuesday, March 15, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sarah Long. VOICE TWO

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科技之光

2006年NPR美国国家公共电台二月-The Rapid Evolution of the Olympics

Don Gonyea: After 17 days of skiing, skating, sliding and yes, even a little doping , the Winter Olympics end today. For NPR sports correspondent Tom Goldman, the Turin Games are the seventh Olympic he has covered. Looking back, he has this essay on

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2006年NPR美国国家公共电台

SSS 2009-12-04

We usually think of evolution as something that happens over eons, in remote places where people rarely venture. Not something that happens around the backyard birdfeeder in just a few decades. But a study in the journal Current Biology suggests that

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Scientific American(十二)月

VOA慢速英语2011--Great Thinkers: Charles Darwin and Evolution

Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

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2011年VOA慢速英语(十一)月

VOA慢速英语2014 Shaping Human Evolution at the Smithsonian 史密森尼美国博物馆塑造人类进化过程

Shaping Human Evolution at the Smithsonian 史密森尼美国博物馆塑造人类进化过程 Welcome to American Mosaic from VOA Learning English. Im June Simms. Today on the show, we visit a museum where art and science help tell the story of huma

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2014年VOA慢速英语(四)月

美国国家公共电台 NPR Biologist Jonathan Losos Explores 'Convergent Evolution' In 'Improbable Destinies'

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

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2017年NPR美国国家公共电台9月

美国国家公共电台 NPR Decades After An Iconic Protest, Tommie Smith Has Something Else On His MinWe Got Your Letters: Listeners Puzzled By Tom Wolfe's Words On Evolution

Decades After An Iconic Protest, Tommie Smith Has Something Else On His Min play pause stop mute unmute max volume 00:0004:48repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update

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2016年NPR美国国家公共电台9月

分类词汇：电信

CDMA 码分多址 WCDMA 宽带码分多址 TD-SCDMA 时分同步码分多址接入 churn rate 客户流失率 walled garden model 高墙式花园模式 POC 手机对讲 IM service instant messaging service 即时通讯服务 bundle service 捆绑式服

发表于:2019-01-17 / 阅读(68) / 评论(0)

英文语法词汇

60秒科学:Backyard Feeders Driving Bird Evolution

Backyard Feeders Driving Bird Evolution A study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two distinct populations that may be on their way to beco

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60秒科学

VOA标准英语2010年-What does it Mean to be Human?

Multi-media website explores human evolution Rosanne Skirble | Washington, DC 07 May 2010 'What's Hot in Human Origins' keeps you up-to-date on recent studies and research in the field. The human origins website at www.humanorgins.si.edu poses the ag

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VOA标准英语2010年(五)月

Do You See....

One day a 6 year old girl was sitting in the classroom. The teacher was going to explain evolution to the children. The teacher asked a little boy: Tommy do you see the tree outside? Tommy: Yes. Teacher: Tommy, do you see the grass outside? Tommy: Ye

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趣味英语

Obama sends message to Hu on efforts in U.S.-China ties

BEIJING, Nov. 17 (Xinhua) -- U.S. President Barack Obama has sent a message to his Chinese counterpart Hu Jintao, acknowledging Hu's contribution to relations between the two countries. In his message, sent Thursday, Obama said he prized the concerte

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英语新闻

2015年CRI Lord Mayor of the City of London: China's Stock Market ＂Hiccup＂ Part of Market Evolution

Lord Mayor of the City of London: China's Stock Market ＂Hiccup＂ Part of Market Evolution In a press briefing with journalists on his planned visit to China next week, the Lord Mayor says it is a common episode in any emerging market to have overb

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2015CRI中国国际广播电台

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