| PETRA | Product Event Tracking Reporting and Analysis (process manufacturing industry) | 产品事件跟踪报告和分析（流程制造业） |
| PETRA | Performance Enhancing Transport Architecture (satellite communications) | 提高性能的传输架构（卫星通信） |
| PETRA | Pan European Transport Area (long-distance transport corridors concept) | 泛欧运输区（长途运输走廊概念） |
| PETRA | Pre-Exit Telemetry Retransmission and Amplification (system for vertical launching systems) | 出口前遥测重传和放大（用于垂直发射系统的系统） |
| PETRA | Jordan News Agency | 约旦通讯社 |
| PETRA | Parameter Estimation for the Treatment of Reactivity Applications | 处理反应性应用的参数估计 |
| PETRA | Positron-Elektron-Tandem-Ringanlage (Positron Electron Tandem Ring Accelerator) | 正电子-电子串联环加速器 |
| PETRA | Planning, Evaluation, Training, Rehearsal and Analysis | 规划、评估、培训、排练和分析 |