In the new century, quantum technology has developed rapidly and has been applied in many fields. As an important aspect of the aerospace science, metrology and
<正>China’s first geosynchronous orbit high-resolution mapping satellite has been put into operation formally.During the 6-month in-orbit operation,the tests o
After the space lab missions and extended experiments were completed,the Tianzhou 1 cargo spacecraft effectively put on its“breaks”twice,thus continuously low