| ECCM | Emergency and Critical Care Medicine | 急诊和重症医学 |
| ECCM | Electronic Counter-Counter Measures | 电子对抗措施 |
| ECCM | Eastern Carolina Case Management | 东卡罗来纳州案例管理 |
| ECCM | Electronic Counter-Countermeasures | 电子对抗措施 |
| ECCM | Electromagnetic Counter-Countermeasures (less common) | 电磁对抗措施（不太常见） |
| ECCM | Eastern Caribbean Common Market (Antigua and Barbuda) | 东加勒比共同市场（安提瓜和巴布达） |
| ECCM | Essential Care and Condition Monitoring (preventive maintenance programs) | 基本护理和状态监测（预防性维护计划） |