它标志着北斗区域卫星导航定位的基本系统建设完成。
It marks the establishment of a basic system for the navigation and positioning network.
孙来燕说,中国还将完成12颗北斗导航卫星的系统,其中一些将会绕着赤道运行。计划中的导航以及定位系统的卫星将超过30颗。
China will develop 12 Beidou or North Dipper satellites, some destined for geostationary orbit. It plans a navigation and positioning system of more than 30 satellites, Sun said.
孙来燕说,中国还将完成12颗北斗导航卫星的系统,其中一些将会绕着赤道运行。计划中的导航以及定位系统的卫星将超过30颗。
China will develop12beidou or north dipper satellites some destined for geostationary orbit. it plans a navigation and positioning system of more than30satellites sun said.
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