摘要
At 5:30 Beijing time on August 1, the 5th Beidou navigation satellite was sent into orbit from the Xichang Satellite Launch Center (XSLC),
At 5：30 Beijing time on August 1, the 5th Beidou navigation satellite was sent into orbit from the Xichang Satellite Launch Center （XSLC）, marking 56 domestic and international satellites that had
