RRabbr.无线电航向信标（Radio Range-beacon）；无线电接受器（Radio Receptor）；阻力比（Resistance Ratio）；连流继电器（Reverse Relay）Rremounting揭裱rrent curve流速曲线RRS spectra共振Rayleigh散射光谱Rremote CAD远程CADRRO General档案及接待员(一般)Rroperation再手术rrowed boom虚假繁荣RRO Criminal档案及接待员(刑事)Rrythromycin红霉素rreal estate房地产