摘要:On June 26, 2004, the United States of America and the European Community (EC) established the “Agreement on the Promotion, Provision and Use of Galileo and GPS Satellite-Based Navigation Systems and Related Applications” (A copy of this agreement can be found at the website of the U.S. Space-Based Positioning, Navigation, and Timing (PNT) Executive Committee through the URL address provided in reference [1] in the “Additional Resources” section near the end of this article.)