Her/His Majesty's Customs and Excise (UK)她/他的威严的风俗和消费税(英国) Heterogeneous Multiple Channel Environment多通道环境的异质性 HIV Medicine Credentialing Examination (American Academy of HIV Medicine)治疗艾滋病的药物的认证考试(美国科学院治疗艾滋病的药物) Harvard Model Congress Europe哈佛模型国会欧洲 Higher Malaysian Certificate of Education更高的教育证书。马来西亚 Hartmath for Windows CE (software)Hartmath为Windows CE(软件) Hazardous Materials Compliance and Enforcement危险物品的依从性和执行 Her Majesty's Customs and Excise女王陛下的风俗和消费税