Kids GPS GPS is the English-language Global Positioning System ( GPS ) for short, and its Chinese simply called “ball”. GPS is in the 1970 of the 20th century by the United States armed forces joint development of next-generation space satellite navigation and positioning systems. Land, sea and air, its main purpose is to provide real-time, round-the-clock, and three areas of global navigation services, and for intelligence gathering, nuclear and explosive military purposes such as monitoring and emergency communications after more than 20 years of research, at a cost of us $ 30 billion by March 1994, global coverage up to 98% of 24 GPS satellites constellation layout is complete. In the field of mechanical GPS has another meaning: technical specification of product geometry (Geometrical Product Specifications)-referred to as GPS. Another explanation for the G/s (GB per s)
