Hospice Angel Flight安宁天使飞行 High Abrasion Furnace (type of carbon black)高耐磨炉型的炭黑 Hologram Auto Focus全息汽车的焦点 Hellenic Air Force (Greece)希腊空军(希腊) Headquarters Air Force空军总部 High Altitude Fluorescence高海拔的荧光 High-Order Ambiguity Function高阶模棱两可的功能 Helicopter Assault Force直升机的部队 Halogen Acid Furnace卤素酸炉 Hindu American Foundation (Kensington, MD)印度的美国基金(肯辛顿,MD) Human Chorionic Gonadotropin Associated Factor绒毛膜促性腺激素相关的因素 HCG (Human Chorionic Gonadotropin) Associated Factor服务(绒毛膜促性腺激素)相关的因素 Heart of America Foundation美国心脏的基础 Half Moon, California USA美国加利福尼亚州的半个月亮