中国成功发射天绘七号卫星

Group 1 - The core message is that China successfully launched the Tianhui-7 satellite using the Long March 4B rocket, marking a successful completion of the mission [1] - The Tianhui-7 satellite is developed by the China Aerospace Science and Technology Corporation and is primarily used for geographic information surveying, land resource census, and scientific research [1] Group 2 - The Long March 4B rocket is a medium-sized, three-stage launch vehicle developed by the China Aerospace Science and Technology Corporation, capable of launching various types of satellites into different orbits [3] - The rocket has a payload capacity of 2.5 tons to a 700-kilometer sun-synchronous orbit and can perform single or multiple satellite launches [3] - This mission marks the 622nd flight of the Long March series of rockets, with the Long March 4 series completing a total of 7 successful launches in the year [3]