| ECTS | European Computer Trade Show | 欧洲计算机贸易展 |
| ECTS | Echo Canceller Testing System | 回声消除器测试系统 |
| ECTS | Engine Coolant Temperature Sensor | 发动机水温传感器 |
| ECTS | Electronic Transfer Association | 电子转账协会 |
| ECTS | European Credits Transfer System | 欧洲信贷转移系统 |
| ECTS | Enterprise Complaint Tracking System | 企业投诉跟踪系统 |
| ECTS | Explosives Classification Tracking System | 爆炸物分类跟踪系统 |
| ECTS | European Credit Transfer System | 欧洲信贷转移系统 |
| ECTS | Erie County Technical School (Pennsylvania) | 伊利县技术学校（宾夕法尼亚州） |
| ECTS | European Community Course Credit Transfer System | 欧洲共同体课程学分转换系统 |
| ECTS | Executive Correspondence Tracking System | 高管通信跟踪系统 |
| ECTS | Effective Capital Transfer Strategy | 有效的资本转移策略 |
| ECTS | Electronic Combat Training Simulator | 电子作战训练模拟器 |
| ECTS | Electronic Computer Trade Show | 电子计算机贸易展览会 |
| ECTS | Electronic Combat Training System | 电子作战训练系统 |