| HAPEX | Hydrological-Atmospheric Pilot Experiment | 水文大气试验 |
| HAPEX | Hydrological Atmospheric Pilot Experiment | 水文大气试验 |
| HAPEX | Hydroxylapatite Polyethylene Composite (implant biomaterial) | 羟基磷灰石聚乙烯复合材料（植入生物材料） |
| HAPEX | Hydrologic Atmospheric Pilot Experiment | 水文大气试验 |