Her/His Majesty's Ship (UK)她/他的威严的船(英国) Hour Minute Second一小时 Harvard Medical School哈佛医学院 His/Her Majesty's Service英国政府公务 His/her Majesty's Ship（英国）皇家海军舰船 Heavy Media Separation重介分离（选矿） Human Metabolic Simulator人体新陈代谢的模拟器 Healthcare Management System医疗保健管理系统 Handheld, Manpack and Small Form Fits (Joint Tactical Rado System Cluster 5)Manpack和小形式手提的,适合(联合战术Rado系统聚类5) Hind Mazdoor Sabha (Indian trade union)Sabha Mazdoor后(印度工会) Hanford Meteorological Station汉福气象台 Hans/Hennes Majestäts Skepp (Swedish: His/Her Majesty's Ship)Hans/Hennes Majestäts Skepp (Swedish: His/Her Majesty's Ship) Height Management System (automobile/vehicle systems)身高管理系统(汽车/车辆系统) Homestead-Miami SpeedwayHomestead-Miami竞速 Holonic Manufacturing SystemHolonic制造系统