视频丨神二十一在发射场区进行全系统合练

Core Points - The Shenzhou-21 spacecraft and rocket combination has been transported to the launch area and is scheduled for launch soon [3] - A full-system rehearsal was conducted at the launch site, involving all positions of the Jiuquan Satellite Launch Center's measurement and launch system [3] - The rehearsal included functional checks of the tower, rocket, and spacecraft, simulating the entire process from flight preparation to ignition and separation [3] - The Shenzhou-20 crew, having been in orbit for over 180 days, is preparing for their return and the upcoming "space rendezvous" [3] - Recovery exercises for the landing site system are underway to prepare for the return of Shenzhou-20 [3]