PSGn.脉冲信号发生器PSabbr.附言(=postscript)abbr.著名图象处理软件（=photoshop)pseud.n.笔名psodymus腰部联胎Psoderov普索代罗夫psammism[医] 沙浴Psorasis银屑病PSE pork苍白psoralean.[植]补骨脂Pshirkov普希尔科夫Pshebski普舍布斯基PSO-BP粒子群优化BP模型