国家医疗保健机构(华盛顿)

Hydrographic Commission on Antarctica在南极洲水文委员会 Hypertrophic Cardiomyopathy Association (UK; now CMA)肥厚性心肌病协会(CMA)现在英国的安全 Health Care Assistant医疗助理 High Consequence Area (oil and gas pipeline industry)结果严重地区(石油和天然气管道行业) Hazardous Communication Act危险的交流行为 High-Contamination AreaHigh-Contamination区 Hochiminh Computer Association (Vietnam)越南计算机协会(越南) Health Care Analysis (journal)卫生保健分析(杂志) Home Care Association of New York State家庭保健协会的纽约州 Hanford Contractors' Association汉福承包商的协会 Hispanic Contractors Association西班牙承包商协会 Humanitarian and Civic Assistance人道主义和公民援助 Head of Contracting Activity头部的合约 Hydroxycitric AcidHydroxycitric酸 Heterocyclic Amine[化] 杂环胺