Resource Record资源记录 Receiving Report接收报告 Repetition Rate重复率 Rules and Regulations规章制度 Reverse Relay连流继电器 Radio Relay无线电中继 Web Reasoning and Rule Systems (conference)网络推理和规则系统(会议) Repair Request修理请求 Railroadvi. 在铁路公司工作 Research Report研究报告 Recurrence Rate再现率 Rolling Resistance滚动阻力 Radio Receptor无线电接受器 Return Rate返回率 Radius of Rapture断裂半径