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)Pachygnathaclerckin.克氏粗螯蛛pacing stimulation起搏刺激pachystachys lutea金苞花Pachysoeca obliquan.倾斜厚囊藻pacchionian bodies蛛网膜粒,帕基奥尼氏体Pacui phleebovirus帕斯尤静脉病毒Paco es chileno.贝贝是智利人。Pachyrrhizus erosus豆薯Pachyuromys duprasin.肥尾沙鼠Pacini's corpuscles