单词：signal systems control center
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A 卷 参考答案: Part A Passage 1: 旅游业是现代发展得最快的产业之一。旅游业的增长率通常已超过全球经济的增长 率。旅游业发展成一个大规模的产业依靠的
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By Jim Teeple The center of Hurricane Ivan passed to the south of the Cayman Islands, and appears headed for a direct strike on Cuba. The storm has killed more than 50 people as it passes through the
VOA2004（下）--新闻盘点
iOS 11 Offers New Features for iPhones, iPads Last week Apple released iOS 11, the update to its mobile operating system for iPhone and iPad. This update has features that may make your current device feel like a new one. iOS 11 is free to download n
2017年VOA慢速英语(十)月
There are many projects under way at present in the United Kingdom and further field to up-date out-dated technology in the field of signaling and control systems, track geometry, rolling stock and so on. In the wider context, the demand to reduce th
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驾车的朋友深有体会，有了卫星导航系统，去哪里都不用愁。 Alice: Hello, I'm Alice. Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sat navs. Stephen: Sat navs thats short for satelli
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Steve Shladover outlines the benefits to be gained from vehicles that could drive themselves and discusses how this could be achieved. 斯蒂夫·施多弗阐述了能自动运行的车辆的诸多裨益
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校园英语口语 Unit21:watching TV You are watching TV again! You'll get square eyes. But Mum, it's the NBA Finals. Turn off the TV. NBA is none of your business. Oh, mum! Don't do that, please. You have become a couch potato. Don't you find that it's
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Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so
电信英语
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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A new Internet training center in Togo will give young people in that part of West Africa a chance to improve their job skills. The International Telecommunication Union and the computer-networking company Cisco Systems launched the center. A telecom
2011年VOA慢速英语(一)月
New Director of Johnson Space Center Faces Cutbacks, Uncertainty When the U.S. space shuttle was still flying, the Johnson Space Center in Houston was a busy place. But now, all the shuttles are in museums and the Johnson Space Center has laid off hu
VOA标准英语2013年(二月)
Please respond! Mission control. This is chief systems officer Vincent Campbell speaking. ___________1__________ when you're back on earth? Only ten? Tomorrow is our last day. But I don't know if we're gonna make it home. What happened in there? We'v
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65 航天飞机的飞行准备 DATE=7-4-01 TITLE=EXPLORATIONS #1959 - Preparing Shuttle for Space Flight BYLINE=Paul Thompson VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember wi
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ALMATY, Nov. 4 (Xinhua) -- Kazakhstan's Center for Prevention and Control of AIDS said Friday that the country had 17,266 registered HIV carriers as of Oct. 1,compared with 15,908 as of Feb. 1, 2010. Of the HIV-positive people, 1,432 were diagnosed w
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Hold your hand out and try to keep it perfectly still. After a moment, it will probably begin to shake. Hold that same hand out just before you give a major presentation to your new boss, and youll notice that those normal small tremors increase subs
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GRE阅读理解考查的范围非常广，不像填空、类比和反义那样注重基础和词汇量，而GRE考试的阅读又与其他考试中的阅读有很大区别，所以在技巧方法上也要区分对待。GRE阅读中多见长句，对理
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China has dismissed four officials over a stampede at a mosque in the country's northwest region that left 14 people dead. The Sunday tragedy in Xiji county of the Ningxia Hui Autonomous Region is blamed on poor organization and management. It happen
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The Yanfang line, Beijing's first driverless subway line connecting the city's southwest suburbs to its central urban district started its first pilot run last Wednesday morning. 上周三早上，连接西南郊区和中心市区的燕房线--北京第
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