世界上第一个地震预警系统

摘要：

@@ 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 tremor2 and the arrival of the second, destructive terrestrial3 shock.Some people have reservations4 about broadcasting such alerts.

机标关键词：early warning system

分类号：R13;P9

在线出版日期：2007-07-26（万方平台首次上网日期，不代表论文的发表时间）

页数：共2页

页码：7-8