Hypertext Aided Learning超文本辅助学习 Howard Astronomical League (Howard County, Maryland)霍华德天文联盟(霍华德县、马里兰) Hyperspace Analog to Language超空间模拟语言 Hyper Article En Ligne (Hyper Article on Line)超级第三、市场(超级文章线) Halken Laboratories Inc公司Halken实验室 Hyper-Algorithmic Logic (Star Bridge Systems Inc. hypercomputer technology)Hyper-Algorithmic逻辑(星桥系统有限公司hypercomputer技术) Holland America Line荷兰美洲航线 Hyperalimentationn. ( 尤指对无法通过消化道摄取食物的病人所进行的)静脉输入营养液 Hard Array Logic硬逻辑阵列 Histidine Ammonia-Lyase组氨酸氨裂解酶 Health Advisory Level健康谘询服务的水平 Holland Amerika Lijn (Dutch: Holland America Line)荷兰安妮- Lijn(荷兰:荷兰美洲航线) High-Order Assembly Language高阶汇编语言 Hybrid Assistive Limb (robotic suit)混合辅助肢(机器人套装) Hot Air Leveling (technique for laying soldering coating on circuit boards)热风铺设焊接涂层(技术在电路板上的)