摘 要：著重研討了GPS在軍事、地球物理和大地測量、航空航天及空間技術、工程測試、交通運輸及工農業生產中廣泛的創新的應用情況，客觀地總結了GPS是具有重要戰略意義和較高實用價值的系統工程，是繼移動通訊和互聯網后的第三大高新應用技術，它將在國防建設、國民經濟及現代社會中發揮極其重要的作用。
關鍵詞：GPS；全球定位系統；高新技術；應用；定位；導航；授時；發展
中圖分類號：P228.4 文獻標識碼：A 文章編號：1672-4984（2007）01-0005-07
Global positioning system and discussion on its use（3）
——application of GPS
LIU Mei-sheng
（National Institute of Measurement and Testing Technology， Chengdu 610021，China）
Abstract: This paper discussed emphatically the extensive innovatory applications of GPS in military affairs，geophysics and geodesy，aviation aerospace， space technique， engineering-testing， traffic-transportation， industry and agriculture， summarized objectively in conclusion that GPS is a system-engineering with important strategic-significance and great useful-worth. It is third grand new applied-technology after the mobile communication and the internet. GPS will play ever more important function in national defence，national economy development and society of today field.
Key words: GPS；Global positioning system；New technology；Application；Positioning；Navigation；Give-time；Development
