Cảnh báo thiên tai bằng định vị vệ tinh
Bằng cách phát triển công nghệ của hệ thống định vị vệ tinh (GPS) hiện tại, các nhà khoa học Mỹ cho ra đời một hệ thống cảnh báo sớm giúp cung cấp thông tin chính xác về thiên tai sắp xảy ra.
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