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)
Pacchionian foramen[医] 帕基奥尼氏孔, [小脑]慕切迹
Pachyneuron aphidis蚜虫宽缘金小蜂
Pachygnathafengzhenn.凤振粗螯蛛;新种
Paclitaxel liposome紫杉醇脂质体
Pachyapppa aigeirosn.黑杨粗毛绵蚜
Pachysoeca ruttnerin.露氏厚囊藻
Pacini neurofibroma帕奇尼神经纤维瘤
Pachytodes erraticusn.三带拟厚花天牛