| PLAR | Post Launch Assessment Review | 上市后评估审查 |
| PLAR | Private Line Automatic Ringdown | 专线自动关机 |
| PLAR | Prior Learning Assessment and Recognition (college/university/employment tool) | 事先学习评价和识别(学院/大学/就业工具) |
| PLAR | Prior Learning Assessment And Recognition | 先前学习评估和认可 |
| PLAR | Private Line Auto Ringdown | 专线自动关机 |
| PLAR | Prior Learning And Recognition | 先前的学习和认可 |