Hyperspectral Environment and Resource Observer (Canadian Space Agency satellite)高光谱图像的环境和资源的观察者(加拿大的太空总署卫星) Health Enhancement Research Organization健康增强研究机构 Higher Education and Research Opportunities (UK)高等教育和研究的机会(英国) Hazards of Electromagnetic Radiation to Ordnance危险的电磁辐射对袭击 Heart of England Recorder Orchestra (Coventry, England)英国的心,英国考文垂录音机乐团() Home Educators Resource Organization家庭教育资源的组织 High Energy Replicated Optics (NASA)高能复制光学(NASA) Helicopter Emergency Rescue Operation (computer game)直升飞机事故应急救援工作(电脑游戏) Home Energy and Resources Organization家庭能源资源的组织 Home Economics Related Occupations (Future Homemakers of America)家庭经济学相关的职业(未来的家庭主妇的美国) Highway Emergency Response Operator (Georgia Department of Transportation, Atlanta)公路应急操作(格鲁吉亚交通部,亚特兰大) High Efficiency Reverse Osmosis高效率的反渗透 Highway Emergency Response Operations (Australia)公路应急操作(澳大利亚) Helping Everyone Realize Opportunities帮助大家了解的机会 Hyper Extremely Red Object (astronomy)超极红色物体(天文学)