RHRn.再热器RHabbr.右手（=right hand）abbr.相对湿度（=Relative Humidity）rhyostomaturia尿性涎症rhinallergosis变应性鼻炎,过敏性鼻炎rheostatic arm变阻臂rheumatic diet风湿病饮食rhytidocarpous皱皮果的Rhabdomonadina杆单胞虫亚目Rheum australen.藏边大黄rhenium powder铼粉Rhizogoniaceaen.桧藓科Rheum delavayin.滇边大黄