中文: abbr. Rhodes Matopos National Park 罗德花岗岩国家公园(罗得西亚); Riding Mountain National Park 骑士山国家公园(马尼托巴湖); Rocky Mountain National Park 落基山国家公园(美国科罗拉多州)
中文: abbr. rumen micro-organisms 瘤胃微生物; Radar Material Office 雷达器材处; regimental medical officer 团军医官; remote monitor 远程监测器