Project on Defense Alternatives (Cambridge, MA)什么意思

Public Display of Affection公众示爱 Personal Digital Assistant (electronic handheld information device)个人数字助理(电子手持信息设备) Personal Digital Assistant个人数字助理 Premature Descent Alert (FAA TAWS)警报(FAA TAWS过早下降) Pennsylvania Dental Association宾夕法尼亚州牙科协会 Probability Distribution Analyzer概率分布分析器 Pump Drive Assembly泵传动装置 Post-Deflection Accelerator偏转后加速器 Polish Diabetes Association波兰糖尿病协会 Push-Down Automata (theory of computation)采自动机理论计算 Programmable Device Array可编程器件的数组 Private Doctors of Australia澳大利亚的私人医生 Public Development Authority公共开发主管机关定之 Project on Defense Alternatives (Cambridge, MA)项目在防守端方案(剑桥,MA) Property Disposal Agent产权处置的代理