单词：satellite-Doppler sonar integrated navigation system
单词：satellite-Doppler sonar integrated navigation system 相关文章
INTEGRATED PRIMARY ENGLISH 1A [01:35.19]The alphabet [01:43.29]Aa apple [01:48.46]Bb baby [01:52.90]Cc carrot [01:57.16]Dd door [02:01.31]Ee egg [02:05.99]Ff flower [02:10.43]Gg grass [02:15.60]Hh hat [02:20.46]Ii ice cream [02:25.32]Jj jar [02:29.68
小学综合英语1A
Marine Biologists and volunteers in Key Largo are working to save the survivors of a group of dolphins that beached themselves last week in the Florida Keys. Invesigators are trying to determine if sonar from a nuclear-powered submarine played a role
2009年NPR美国国家公共电台7月
Researchers say that China's domestically-developed Beidou Navigation Satellite System brings the country closer to achieving its goal of building a satellite network with global coverage. The comments were made at the 9th China Satellite Navigation
2018CRI中国国际广播电台
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
Scientific American(十一)月
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
一起听英语
Jana: So, Peter, I've been asking you about hunting for treasure. Can I ask you a few more questions? Peter: Sure. Jana: So why are there so many sunken ships in South Africa? Peter: Well I guess around the southern tip of Africa because of the reall
英语趣味课堂
ENVIRONMENT REPORT - November 22, 2002: Compromise on U.S. Navy Sonar By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. The United States Navy has agreed to temporarily limit testing
健康与环境
EXPLORATIONS - Global Positioning System By Paul Thompson Broadcast: Wednesday, May 05, 2004 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Phoebe Zimmermann with the VOA Special Engli
Explorations
ENVIRONMENT REPORT – August 2, 2002: Navy Sonar and Ocean Animals By Caty Weaver This is the VOA Special English Environment Report. American officials have approved a plan for the United States Nav
健康与环境
NB: This is not a word for word transcript 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 satellite navigation systems. Alice: Theyre th
六分钟英语
New Navigation Technology Predicts Traffic Conditions In Los Angeles, a driver spends sixty-one hours every year on the road stuck in traffic. Christian Garcia knows what it's like. He delivers and installs televisions and is on the road all the time
VOA标准英语2013年(三月)
Ran Chengqi, director of the China Satellite Navigation Office, says the BeiDou Navigation Satellite System would provide a navigation service for users in China and surrounding areas with a positioning accuracy of less than 10-meters. Besides contin
英闻天下
China has launched two satellites into space on a Long March carrier rocket from the Xichang Satellite Launch Center in Sichuan Province. The satellites are part of the country's growing BeiDou Navigation Satellite System. The launch of the Long Marc
2018CRI中国国际广播电台
China has once again emphasised its support for the freedom of navigation in the South China Sea, but is opposed to wanton navigation in the region. A Chinese military official made the remarks in Vientiane following the defense ministers meeting wit
cctv9英语新闻2016年
India has launched its first domestic navigation satellite from the Satish Dhawan Space Center in the countrys south. 印度在南部的萨迪什达万航天中心发射了首颗自制导航卫星。 The satellite, weighing 1,500 kilos, was carried i
CCTV9英语新闻2013年07月
A leading Chinese expert has stressed that China's home-grown Beidou Navigation Satellite System demonstrates the necessity for the country to grasp a core technology that is entirely self-developed, after a US ban on a leading Chinese smartphone mak
2018CRI中国国际广播电台
Debris from the Rena has reached beaches in the Coromandel. There are bags of milk powder, plastic and rope on the beaches and broken containers. The sea around the Rena is white from broken bags of milk powder. There is also oil for about 3km around
新西兰英语
Three new-generation BeiDou navigation satellites were launched last year, and 98 percent of the components were Chinese made. BeiDou Navigation Satellite System has been in operation since 2000, making China the third country with an autonomous nav-
英语新闻
卫星与航天译名I-Z IBSS(Infrared Background Signature Survey) 红外背景特征测量仪美国军事卫星 ICE(International Cosmos Explorer) 国际宇宙探测器美国科学卫星 IDCSP(Initi
英文语法词汇
Chinese netizens recently expressed their hope to use China's Beidou Navigation Satellite System, after some reports show that its accuracy can be improved to less than one meter. Our reporter Liu Min talked to Dr. Yang Yuguang, a Professor from the
2018CRI中国国际广播电台