According to the legal metrological units, the Becquerel (Bq) and Becquerel/Litre (Bq/L) were taken as activity units and radon concentration units in various radon measurements.

• 根据法定计量单位选用了贝克(Bq)和贝克/升(Bq/L)。 相应作为各种氡测量的[放射性]活度单位和氡浓度单位。