单词：early-warning system
单词：early-warning system 相关文章
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
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
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
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
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