单词：pulse-echo detection
单词：pulse-echo detection 相关文章
Fearing Bioterrorism Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have s
2013年ESL之就医和人际交往
身体健康常用词汇 regular check-up / health checks定期体检 die from / of (cancer)死于癌症 make it to the end of your natural term有幸自然死亡 take risks冒险 earlier detection and treatment更早的诊断和治疗 place strain o
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Hundreds of ships are switching off their tracking devices and taking unexplained routes, raising concern the trafficking of arms, migrants and drugs is going undetected. Ninety percent of the worlds trade is carried by sea. Every vessel has an ident
VOA标准英语2017年(四月)
Early Detection And Treatment A Must For Glaucoma Patients Glaucoma robs people of their vision. It happens when fluid builds up in the eye, causing so much pressure that it kills cells in the optic nerve. Mary Hyman was diagnosed with glaucoma more
VOA标准英语2012年(十月)
How should you install the software? 你是如何安装这个软件的 How should you install the software? 你是如何安装这个软件的？ Let me show you. 让我来给你演示一下吧。 What if the computer is infected by a virus? 如果计算
商务英语学习
Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T
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Heres how the study worked.Children in Ghana some of whom had malaria, some who did not were given socks to wear for one night, and the trained dogs tried to identify the socks that had evidence of the malarial parasite.The key malarial evidence, the
VOA标准英语2018年(十一月)
Alright, where are we going with this? 那好，我们现在进展如何呢？ What I'm going to tell you next, 我接下来要告诉你们的， as a lifelong researcher, represents a dream of mine. 作为一个终身的研究人员，代表了我的一
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SCIENCE REPORT – January 17, 2002: Lying Eyes By George Grow Lying eyes (bottom) give off increased heat (Photo -Dr. James Levine) This is the VOA Special English SCIENCE REPORT. Scientists say they
科技之光
AS IT IS 2014-07-13 Move over World Cup, Time for RoboCup 世界杯后开始机器人杯 The end of the World Cup does not mean the end of international competition in Brazil this year. A major football event will happen in the South American country
2014年VOA慢速英语(七)月
From Shakespeares Pen to Our Mouths 从莎士比亚的笔到我们的嘴 Now, time for Words and Their Stories from VOA Learning English. William Shakespeare is probably the most famous English-language writer ever. Historians think Shakespeare was b
2016年VOA慢速英语(五)月
This year 1.5 million women around the world will be told they have breast cancer. Experts say there is now a 98 per cent rate of survival if the cancer is detected early. They also say a disproportionate number of dealths will be in the developing w
VOA标准英语2010年(十一)月
I am sick and tired of A-Rod and all the stuff. Let's play a game. Butwe can't play the game until we comes to some kind of resolution as howwe deal with PEDs and steroids. Verteran sportswriter and journalismprofessor Jusice B Hill on August 1 at th
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By Paul Sisco Washington, DC 17 October 2007 Medical imaging and improved computer technology are significantly making the detection of heart disease easier, safer and better. VOA's Paul Sisco reports. Dr. James Earls is the medical director at Fairf
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讲解 这周给大家讲几个美国江湖上广为流传的Urban legend-城市传奇。今天先来讲第一个----房间里的小丑雕像。 And the key word in this story is Clown Clown C-L-O-W-N 小丑 A clown is a performer表演者 in a circu
英语悠选脱口秀
With a variety of bands, and price tags ranging all the way from $349 $17,000, theres an Apple Watch for everyone. Except, possibly, the heavily tattooed. 面向大众推出的Apple Watch，款式多样，价格从349美元到17000美元不等。现在
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PERTH, Australia/KUALA LUMPUR, April 6 (Xinhua) -- Chinese and Australian ships have picked up acoustic signals while searching for missing Malaysia Airlines Flight MH370 in the southern Indian Ocean. The underwater detection represents an important
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Chinas first dark matter detection satellite Wukong has completed its in-orbit testing. The satellite was launched last December by a Long March rocket. Wukong has detected 460 million high energy particles, and sent about 2.4 terabytes of raw data b
cctv9英语新闻2016年
D deadlock,declaration,deficiency,deflection,degradation,delegation,delivery, democracy,demonstration, departure,dependence,deposition,depression,deputy,derivation,destination, destiny,destruction, de
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Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca
cctv9英语新闻2016年