PWNabbr.脉宽调制（pulse width modification）Pn.字母PP-conductingadj.空穴传导的n.节径PZT thick fill锆钛酸铅（PZT）厚膜p.v.c belt聚氯乙烯覆面胶带P.E Teaehers体育教师P'ei Li-chihpyosalpingitis脓性输卵管炎pyrazolone red吡唑啉酮红Pythium vexansn.钟器腐霉P.aeruginosa绿脓杆菌pyranofructose[化] 吡喃果糖