摘要
The Large High Altitude Air Shower Observatory(LHAASO),a major project as part of China’s national scientific and technological infrastructure,passed the national acceptance assessment and formally went into operation on May 10.Dedicated to cosmic ray observation and research,the design of LHAASO was approved by the national authorities on December 31,2015.Jointly sponsored by the Chinese Academy of Sciences(CAS)and the People’s Government of Sichuan Province,the construction of the principal part of the facility began in 2017 and was completed in 2021.
