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2013年3月3日,全国政协委员,嫦娥二号、嫦娥三号总指挥、总设计师顾问叶培建在京接受记者专访时透露,“目前中国已成功发射4颗北斗导航试验卫星和16颗北斗导航卫星。”他说,按照计划,到2020年前后,将建成由5颗地球静止轨道卫星和30颗非地球静止轨道卫星组成的北斗全球卫星导航系统,提供覆盖全球的高精度、高可靠的定位、导航和授时服务。
On March 3, 2013, Ye Peijian, member of the CPPCC National Committee, Chang’e II, commander-in-chief of Chang’e III and chief designer consultant, disclosed in an interview with reporters in Beijing that “China has successfully launched four Beidou navigation test satellites and 16 Beidou Navigation satellite. ”" He said that it is planned that a BeiDou global satellite navigation system consisting of five geostationary orbit satellites and 30 non-geostationary satellites will be completed by 2020, providing high precision and high reliability around the world Positioning, navigation and timing services.