global positioning system (全球定位系統)

Global Positioning System

全球定位系統

Global Positioning System (全球定位系統)

全球定位系統 (Global Positioning System)

Global Positioning System (GPS)

全球定位系統

Global Positioning System (GPS) (全球定位系統)

全球定位系統 (Global Positioning System (GPS))

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global positioning system
全球定位系統
global positioning system (全球定位系統)
全球定位系統(global positioning system)

global positioning system (GPS)
全球定位系統
global positioning system (GPS) (全球定位系統)
全球定位系統(global positioning system (GPS))


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Global Positioning System (GPS) satellites broadcast microwave signals to enable GPS receivers on or near the Earth's surface to determine location, velocity, and time. The GPS system itself is operated by the U.S. Department of Defense (DoD) for use by both the military and the general public.

Source (資訊來源):

https://en.wikipedia.org/wiki/GPS_signals

Info cited on 2017-06-11-WD7 (資訊引用於 中華民國106年6月11日) by 湯偉晉 (WeiJin Tang)

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