RPM Revolutions per minute 每分种转数

RPT Repeat 重复

RS Radio station 无线电台

RSVP Repondez s,11 vous plait 请回复

R/T,ROT Radio telephone 无线电话

RYC With reference to your cable 参见你电

RYM With reference to your message 参见你电

RYT With reference to your telegram 参见你电

RYTLX With reference to your telex 参见你电

RX Receiver 接收机

RIP Return insurance premium 退保费

R/V Round voyage 往返航次

RO/RO Roll on /roll off 滚上/滚下

RDF Radio direction finder 无线电测向仪

RFC Return empties from the consignee 收货人送回空箱