On the commemoration meeting of the World Metrology Day on May 20, the State Administration for Market Regulation (SAMR) officially announced the establishment of two national technical committees for digital metrology and artificial intelligence (AI) metrology, the secretariats of which are undertaken by the National Institute of Metrology and the Beijing Institution of Aerospace Metrology and Testing Technology separately. 

Digital technologies are widely applied in many fields. According to the International Bureau of Weights and Measures (BIPM) and the International Organization of Legal Metrology (OIML), the theme of this year's World Metrology Day is "Metrology in the Digital Era". As the core component of the National Quality Infrastructure (NQI), metrology is about measuring and its application. People are working on developing and verifying various complex advanced measuring technologies, in order to support the development of digital economy.