Human Effects Advisory Panel人类影响谘询委员会 Home Energy Assistance Program家庭能源援助计划 Home Equity Advantage Program房屋净值优势项目 High-Explosive Armor-Piercing高爆Armor-Piercing Helicopter Extended Area Platform直升机延伸的范围的平台 Hampered Effluent Accumulation Process (wastewater treatment)阻碍废水过程(废水积累) Human Element Analysing Process人为因素分析的过程 High Explosive Armor Piercing高度爆炸性的火力 History Exam Assessment Plan历史考试评估计划