Philosophiae Doctor什么意思

Pulse Height Discrimination脉（冲）（振）幅鉴别 Patch Handle Bag带手拎袋的袋子 PHase-shift Driver相移激励器 Professional Help Desk专业的服务台 Phenomena in High Dimensions在高维度的现象 Personal Hemodialysis System (Aksys, Ltd.)血液系统(Aksys私人有限公司。) Process Historian Database过程的历史学家的数据库 Presbyterian Hospital of Dallas长老会医院的达拉斯 Portable Handheld Device便携式的手持设备 Process Hierarchy Diagram (business process modelling)层次图的过程(业务流程建模) Probability Hypothesis Density概率密度假说 Pisarenko Harmonic DecompositionPisarenko谐波的分解 Push Here Dummy (point & shoot cameras)这里假(指推和射击相机) Pacific Health Dialog太平洋健康对话框 Port Hueneme Division (US Naval Surface Warfare Center)Hueneme港(美国海军军官表面战术中心)