单词	衰减长度
释义	衰减长度医attenuation length
随便看	activity and communication activity and equilibrium concentration activity and inert rate activity and its process activity and polymorphism activity and variability characteristics activity, antimicrobial activity appraisal activity approach activity approach of geography teaching activity area activity area teaching activity assay Activity Assembly Area activity attribute activity attributes activity-baaed costing Activity Balance Line Evaluation activity barycentre activity-base costing activity-based activity-based approach activity-based budget activity-based-budget activity based budgeting