| PRAS | Plan RÉgional d'Affectation du Sol (Belgium) | Plan RÉgional d'Affectation du Sol (Belgium) |
| PRAS | Pre-Reduced Anaerobically Sterilized | 预还原厌氧灭菌 |
| PRAS | Performance Results Aggregation System (Telcordia) | 性能结果汇总系统（Telcordia） |
| PRAS | Product Rights and Availability System (Sybase) | 产品权限和可用性系统（Sybase） |
| PRAS | Planning, Reporting and Accountability Structure (Canada) | 规划、报告和问责结构（加拿大） |
| PRAS | Passenger Revenue Accounting System | 乘客收入会计系统 |
| PRAS | phosphoribosylaminoimidazole synthetase | 磷酸核糖基氨基咪唑合成酶 |
| PRAS | prereduced anaerobically sterilized(media) | 预还原厌氧灭菌（培养基） |
| PRAS | Particle Reactor Analysis Services | 粒子反应器分析服务 |