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记者从“２００２全球定位技术应用与发展研讨会”上获悉，我国卫星导航定位产业发展已步入快车道。据预测，“十五”末期，我国卫星导航定位应用市场的总产值将达到７０多亿元，导航定位运营服务产值将超过３０亿元。卫星导航定位是指利用卫星导航定位系统提供的位置、速度及?
Reporters learned from the “2002 Global Positioning Technology Conference on Application and Development” that China’s satellite navigation and positioning industry has entered a fast lane. It is predicted that at the end of the “Tenth Five-Year Plan” period, the total output value of China’s satellite navigation and positioning application market will reach over 7 billion yuan and the value of navigation and positioning operation and service will exceed 3 billion yuan. Satellite navigation positioning refers to the use of satellite navigation and positioning system to provide the location, speed and?