BPSDbehavioral and psychological symptoms of dementia 痴呆行为心理学症状PPSDProposed; 建议的; 提出的PSDPhase Sensitive Demodulator 相位灵敏调解器WAPSDWestinghouse Electric Corporation Advanced Power Systems Division 韦斯汀豪斯电子公司高级能源系统分部PSDApatientself-determin..PSDBphysicalsegmentdescr..PSDN包交换数据网PSDSpacketswitcheddatase..PSDTPresident; 总统PSDiPartito Socialista Democratico Italiano (Italian=Italian Social Democratic Party) （意大利语）意大利社会民主党PSDw有用载波功率谱密度psdopseudo假的，冒充的;pseudon..psdp生产系统关断盘psdupower switching distribution unit 功率转换分配装置PSDUPDPort of San Diego Unified Port District 圣地亚哥港统一管区的港口PSDUPower Switching Distribution Unit 功率转换分配装置bpsdbarrels per steam day 桶/连续开工日PsDpersonality disorder 人格障碍psdpowerspectraldensity..