ppnn.设计程序员编号; 程序设计员的略称PPabbr.包裹邮递（=Parcel Post)abbr.过去分词（=past participle）abbr.邮资付讫的(=postpaid)n.一种中文文件交换软件和通讯软件PP plastic infusion bottle聚丙烯塑料输液瓶PP Bcf Carpet Yarn Required印度求购地毯纱PPGA Plastic Pin Grid Array塑胶针状矩阵封装PPD of Mycobacterium kansasii堪萨斯分枝杆菌纯蛋白衍生物Ppathological changes of lung肺病变pper digestive tract hemorrhage上消化道出血PPC Product Planning and Control生产计划和控制Ppaleo-geographical evolvement沉积环境PP Plot of Lifetime Distributions寿命分布的PP图ppi dependent phosphofructokinase焦磷酸依赖性磷酸果糖激酶