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)
rrent curve流速曲线
RRS spectra共振Rayleigh散射光谱
Rremote CAD远程CAD
RRO 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