声纳标准

Lesson 8 Trading standards 贸易标准 First listen and then answer the following question. 听录音,然后回答以下问题。 What makes trading between rich countries difficult? Chickens slaughtered in the United States, claim officials in Bru

发表于:2018-11-27 / 阅读(946) / 评论(0) 分类 新概念英语第四册

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发表于:2018-11-27 / 阅读(387) / 评论(0) 分类 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

发表于:2018-12-02 / 阅读(221) / 评论(0) 分类 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

发表于:2018-12-07 / 阅读(163) / 评论(0) 分类 听电影学英语—泰坦尼克号

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

发表于:2018-12-17 / 阅读(278) / 评论(0) 分类 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

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(十一)月

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.

发表于:2018-12-28 / 阅读(127) / 评论(0) 分类 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

发表于:2018-12-28 / 阅读(126) / 评论(0) 分类 侏罗纪搏击俱乐部

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: new standards for English learners in American public schools. RS: One in nine public school students is a non-native English speaker; in twenty years, it could be one in four. Th

发表于:2018-12-30 / 阅读(173) / 评论(0) 分类 词汇大师(Wordmaster)

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

发表于:2019-01-02 / 阅读(192) / 评论(0) 分类 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

发表于:2019-01-07 / 阅读(165) / 评论(0) 分类 健康与环境

'Cash Mob' Phenomenon Supports Local Business What do you get when you mix a store's need for more business with enthusiastic local consumers? A cash mob. Organized through social media, the phenomenon is based on the concept of a flash mob, where la

发表于:2019-01-11 / 阅读(162) / 评论(0) 分类 VOA标准英语2013年(五月)

This is the VOA Special English Education Report. Americans have never had national education standards. Goals for what public schools should teach are set by state and local school boards. Their members are often elected. But some Americans say the

发表于:2019-01-11 / 阅读(163) / 评论(0) 分类 2010年VOA慢速英语(七)月

Education Report - No National Standards: A Strength or Weakness of US Schools This is the VOA Special English Education Report. What American students are expected to learn has long been different from state to state. We talked last week about the t

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 2011年VOA慢速英语(六)月

Steve Tyrell Showcases Pop, Jazz Standards on 'I'll Take Romance' Tyrell proves once again that romance never goes out of style. In fact, ever since he recorded The Way You Look Tonight on the soundtrack for the film Father Of The Bride, hes been reg

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2012年(三月)

French President Nicolas Sarkozy is calling for new international nuclear safety standards, warning radiation leaks at Japan's Fukushima Power Plant could affect the entire world. Sarkozy is calling for nuclear officials from the G20 group of industr

发表于:2019-01-14 / 阅读(173) / 评论(0) 分类 VOA标准英语2011年(四月)

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

发表于:2019-01-30 / 阅读(291) / 评论(0) 分类 60秒科学

BEIJING, Feb. 14 (Xinhua) -- The State Council, or China's Cabinet, has worked out a five-year plan (2011-2015) to raise standards and improve quality in the medicinal sector, including Western medicines, traditional Chinese medicine, and generic dru

发表于:2019-02-07 / 阅读(253) / 评论(0) 分类 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

发表于:2019-02-17 / 阅读(168) / 评论(0) 分类 新西兰英语

China is now on the front lines of efforts to develop energy sources that can balance the goals of sustaining economic growth and protecting the environment. Decisive action is needed to strengthen policy frameworks across the country to reach that g

发表于:2019-02-18 / 阅读(168) / 评论(0) 分类 cctv9英语新闻2015年
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