单词：sonar early warning
单词：sonar early warning 相关文章
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
November 5 is United Nations Tsunami Awareness Day. Tsunami is a Japanese word for a long, destructive ocean wave caused by an undersea earthquake. The goal of the observance is to learn from disasters of the past and to prepare for the future. Two t
2017年VOA慢速英语(十一)月
November 5 is United Nations Tsunami Awareness Day. Tsunami is a Japanese word for a long, destructive ocean wave caused by an undersea earthquake. The goal of the observance is to learn from disasters of the past and to prepare for the future. Two t
2017年VOA慢速英语(十一)月
Indonesian officials say an early warning system failed to alert locals before a tsunami wiped out about ten villages on the tiny Mentawai Islands. More than 270 people have been killed in the three-metre tsunami with another 400 still missing. Techn
澳洲ABC新闻快递2010年
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
Animals’ Early Warning Systems By Brent Frazee / 2005 The Kansas City Star , Knight Ridder Newspaper. Distributed by Tribune Media Service International. Biologists report wildlife’s amazing abili
彭蒙惠英语
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
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
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
Researchers say they have developed technology that could predict heart attacks years before they happen. The researchers report using mathematical algorithms to examine computed tomography, or CT, images of a patients heart. A CT scan uses X-rays an
2018年VOA慢速英语(十)月
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
By Anthony Stokes Washington, D.C. 14 July 2006 watch earthquake report U.S. geological experts are working to develop a computer model that can better detect an earthquake and warn people in advance. VOA's Anthony Stokes looks at how the early warn
2006年VOA标准英语（七月）
This is the VOA Special English Technology Report. A powerful earthquake struck the northeastern coast of Japan at two forty-six p.m. local time on March eleventh. Japans Meteorological Agency released its first tsunami warnings just three minutes la
2011年VOA慢速英语(三)月
Early warning systems can be the difference between life and death in earthquake-prone regions. But they are expensive. The US, Mexico and Japan have such systems. That leaves large swats of central and South America, Asia and the Caribbean unprotect
2015年Scientific American(四)月
By Steve Herman Tokyo 05 August 2006 The world's first earthquake early warning system has begun operating in Japan. The government-developed system takes advantage of the precious seconds between the first indication of a powerful tremor and the ar
2006年VOA标准英语（八月）
China is frequently hit by earthquake. Now it's planning to build a national earthquake monitoring and warning system within five years to reduce casualties and economic losses. An official from the administration said while the system would not be a
英闻天下
The US Government is testing an early warning system for earthquakes, which could buy vital seconds of time in advance of a major incident. For years the US has lagged behind Japan in quake detection technology and it is hoped that this latest system
世界各地新闻集锦
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
Californians participated in an annual drill, and helped prepare for what scientists say could strike at any moment, an earthquake. Scientists have also been busy preparing. The US Geological Survey recently unveiled its new earthquake alert system c
VOA标准英语2019年(二月)