缩写	全称	中文释义
ALARA	A Always Lower And Reduced Again	A始终降低并再次降低
ALARA	Always Look At Radiation Alerts	始终查看辐射警报
ALARA	As Long As Radiation Allows	只要辐射允许
ALARA	Attenuation Low And Results Achieved	衰减低，达到效果
ALARA	As Low As Reasonably Achievable	合理抑低