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地震是破坏力巨大的灾害性自然现象 .本世纪以来全球因地震灾害造成百余万人伤亡和数千亿美元的经济损失 .综合防震减灾包括 4方面工作 .作者以建立综合防震减灾技术系统为例 ,阐明了数字地球概念在自然灾害预测预防中的应用前景 .
Earthquake is a destructive natural disastrous natural phenomenon.This century has caused hundreds of millions of human casualties and hundreds of billions of dollars of economic losses due to earthquakes in the world.Comprehensive earthquake prevention and disaster reduction includes four aspects.According to the establishment of comprehensive earthquake disaster reduction technology system The example clarifies the application prospect of digital earth concept in the prediction and prevention of natural disasters.