单词：sonar certification test
单词：sonar certification test 相关文章
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背诵为王第二册
The Supreme Court says it is going to review a lower court ruling protecting marine mammals from Navy sonar. NPRs Martin Kaste has more. For years, environmental groups have argued that the Navys high-intensity, submarine-tracking sonar can disorien
2008年NPR美国国家公共电台六月
[01:36.60]【铁 达 尼 号】 [02:18.36](Sonar Pings) [02:21.60]Man: 13 meters. You should see it. 距离13公尺，应该看得见了 [02:33.84](Sonar Pings) [02:38.52]Okay, take her up and over the bow rail. 越过船头的栏杆 [02:39.20](Over
听电影学英语—泰坦尼克号
Dialog 1 Newwords: clientele(主顾，patron) F: lets talk about the rollout phase (首次展示阶段)of your online shopping? M: I figured we start local. F: Good ideal, start with your existing clientele. M: even smaller, well limit access to holders of o
VOA 商务英语
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
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
一家香港公司的老板Hank带Chris去见部门主管Rebecca。 Hank: Rebecca, I'd like you to meet Chris Lee. Rebecca: How do you do, Mr. Lee? Chris: Very well, thank you. And call me Chris. H: Chris is here to walk us through the certification
礼节美语
B: Welcome to American English Mosaic, I'm Mike Bond! A: And I'm Lin Yang. B: Today we are going to take a look at the business world. What do you need to enter the global market? A competitive product, great service, and a little thing called intern
美语训练班
And they have the blemish both front and rear from a facet where the opposite tooth interlocked with it. 在牙齿前后的齿面都有缺陷就是与对面牙齿相交错的地方。 What happens is that the root is anchored well into the lower jaw.
侏罗纪搏击俱乐部
The sperm whale hits him dead in the centre of his body throwing the Megalodon's enormous weight in a tumble motion under the ocean. 抹香鲸结结实实地撞中它的身体中间，把巨齿鲨庞大的身躯撞得在海洋中翻滚。 The Megalod
侏罗纪搏击俱乐部
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
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
This is the VOA Special English Education Report. In Alexandria, Virginia, the two thousand students at T.C. Williams High School started classes last month in a new building. It was built as a green school based on requirements from the United Stat
VOA慢速英语2007年（十）月
一家香港公司的老板Hank带Chris去见部门主管Rebecca。 Hank: Rebecca, I'd like you to meet Chris Lee. Rebecca: How do you do, Mr. Lee? Chris: Very well, thank you. And call me Chris. H: Chris is here to walk us through the certification
商务礼节美语
NASA Scanner Offers Clues To Whale Hearing Researchers at UC San Diego and San Diego State University have imaged whale skulls in an attempt to determine the effects of sonar on whale hearing. Cynthia Graber reports It really is rocket scienceresearc
60秒科学
centred 12-month moving average 十二个月定位移动平均数 certificate of approval 批准证明书 certificate of beneficial entitlement to property 资产权益证书 certificate of compliance
财会英语
New regulations have been announced connected to car seats for children. The new rules, which become active on September 1st, will ban the sale of child safety seats which don't have the China Compulsory Certification. CRI's Yu Yang has more. A recen
英语新闻
RIO DE JANEIRO, Aug. 14 (Xinhua) -- Brazil will set up a certification center to strengthen data security and prevent surveillance in online communications, the army's Science and Technology Department announced on Monday. Brazil's certification cent
英语新闻
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
讲解 Today's key word is Standard A standard is something that you use in order to judge the quality of something else。 标准，水平。 Here's an example： What's your standard of choosing a boyfriend? 你找男朋友的标准是什么？ 延伸
英语悠选脱口秀