The BeiDou Navigation Satellite System (BDS, simplified Chinese: 北斗卫星导航系统; traditional Chinese: 北斗衛星導航系統; pinyin: Běidǒu wèixīng dǎoháng xìtǒng) is a Chinese satellite navigation system. It consists of two separate satellite constellations – a limited test system that has been operating since 2000, and a full-scale global navigation system that is currently under construction.
የቤይዱ ዳሰሳ ሳተላይት ሲስተም ስንት የሳተላይት ህብረ ከዋክብት አሉት?
test system that has been
ሁለት የተለያዩ የሳተላይት ህብረ ከዋክብት
two separate satellite constellations