它属于中国的北斗导航卫星系统。
It belongs to China's Beidou Navigation Satellite System (BDS 北斗卫星导航系统).
2020年6月23日，中国在西昌卫星中心发射了北斗导航卫星系统的最后一颗卫星。
China sent up the final satellite of Beidou Navigation Satellite System from Xichang Satellite Center on June 23, 2020.
北斗导航卫星系统的首席设计师孙家栋说：“北斗的主要特点就在于它能传递信息。”
Sun Jiadong, Chief Designer of Beidou Navigation Satellite System said "The main feature of Beidou is that it can deliver messages."
专家们说，中国正在以北斗卫星导航实验系统为基础建立罗盘导航卫星系统。
Experts said China is establishing the Compass navigation satellite system on the basis of the Beidou satellite navigation experimental system.
专家们说，中国正在以北斗卫星导航实验系统为基础建立罗盘导航卫星系统。
Experts said China is establishing the Compass navigation satellite system on the basis of the Beidou satellite navigation experimental system.
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