PRCabbr.中华人民共和国(=People's Republic of China); 预应力钢筋混凝土(=Prestressed Reinforced Concrete)
PRabbr.(=public relation) 公共关系
Prunus mume'Meirenmdi'矮型位灯信号,矮型位灯信号机
prakaryotic expression原核表达
Prunus serruiata Lindl樱花
praemandibular segment前颚节
Prasinocladus lubricusn.润滑绿枝藻
prntamethonium bromide五甲溴铵(抗高血压药)
prazosin hydrochloride盐酸哌唑嗪
Practies makes perfect熟能生巧
praseodymium hydroxide氢氧化镨
pragmatistic education实用主义教育