RHEOn.变阻器(电阻箱)RHabbr.右手（=right hand）abbr.相对湿度（=Relative Humidity）Rhinitis allerglc鼻炎变应性Rhabdosphaeraceaen.棒球藻科Rhizoma Corydalls延胡索rhizosphere soils根际土Rhizoma Zedoariae莪术rhizophere effect根际效应Rhizophyllidaceaen.根叶藻科Rheomys mexicanusn.墨西哥涧鼠Rhynchosia miniman.小鹿藿Rhabdophis adlerin.海南颈槽蛇