| ECRS | Elimination-Combination-Rearrangement-Simplification | 剔出-合并-重排-简化 |
| ECRS | European Coordinate Reference Systems | 欧洲坐标参考系统 |
| ECRS | Electron Cyclotron Resonance Source | 电子回旋共振源 |
| ECRS | EKMR (Extended Karnaugh Map Representation) Compressed Row Storage | EKMR（扩展卡诺图表示）压缩行存储 |
| ECRS | Economic & Contingency Reserve Stock | 经济和应急储备库存 |
| ECRS | East Coast Radar System | 东海岸雷达系统 |