路线测量    route survey?

航线    route?

程序库    routine library?

列    row?

橡胶园    rubber estate?

砂石田    rubble land?

毛石    rubble stone?

毛石    rubble?

砾质土    rubbly soil?

红壤化    rubefication?

红电气石    rubellite?

锶法    rubidium strontium method?铷

铷    rubidium?

腐殖质红色土    rubrozem?

红宝石    ruby?

石灰岩犬牙交错状裸露地段    rugged limestone rocky land?

定律    rule?

绘图钢笔    ruling pen?

径沥报    run off forecast?

瘤    run off?

纤匐枝    runner?

脸    running sand?

怜水水位    running water level?

怜水    running water?

径恋数    runoff coefficient?

径笼程    runoff process?

径链况    runoff regime?

断裂    rupture?

农村环境    rural environment?

农村卫生    rural hygiene?

村庄    rural settlements?

灯心草沼泽    rush marsh?

春季森林脑炎    russian forest spring encephalitis?

潜育灰化土    rust colored forest soil?

锈菌    rust fungus?

钌    ruthenium?

纤碳铀矿    rutherfordine?

金红石    rutile?