PACXn.专用自动计算机交换机PACabbr.太平洋的(=Pacific)abbr.无人驾驶飞机(=Pilotless Aircraft)abbr.政治行动委员会(=political action committee)Pachypleurum lhasanumn.拉萨厚棱芹PACAF Defense Network太平洋空军防御网pacinian neurofibroma环层小体神经纤维瘤pachydermia occipital[医] 枕部皮肥厚pachypelviperitonitis肥厚性盆腔腹膜炎PACOM Priority Number太平洋总部优先编号Pachygone yunnanensisn.滇粉绿藤Pachyta mediofasciatan.黄带厚花天牛Pachyrhizua angulatus粉葛pacifist constitution和平宪法