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中国航天科技集团公司高级技术顾问、“北斗”卫星导航系统工程总设计师孙家栋3月6日向记者透露,我国已开始“北斗”全球卫星导航系统的开发,预计明年底发射第一颗实验卫星。
China Aerospace Science and Technology Corporation senior technical consultant, “Beidou” Satellite Navigation System Chief Designer Sun Jidong revealed to reporters on March 6, China has begun “Beidou ” global satellite navigation system development is expected to launch the end of next year Experimental satellite.