Hazard Potential Index潜在危险指数 Human Performance Improvement人类提升业绩 Health Policy Institute卫生政策研究所 Health Promotion Institute促进健康研究所 Horizontal Production Integration卧式生产一体化 Hydrographic Project Instructions水文工程的指示 High-Pressure Injection高压喷射 House Price Index (OFHEO)房屋价格指数(OFHEO) Health Provider Index (New Zealand)健康指数(新西兰) Hydrocarbon Process(ing) Industry油气工业过程(中) History of Present Illness现病史 Hobby Products International爱好产品国际 Happy Planet Index快乐星球指数 Host Port Interface主持人港口的接口 High-Power Illuminator大功率照明灯