| ECAD | European Center for Aviation Development | 欧洲航空发展中心 |
| ECAD | Electronic Computer-Aided Design | 电子计算机辅助设计 |
| ECAD | Explorers Club Annual Dinner | 探险家俱乐部年度晚宴 |
| ECAD | external carotid artery dysplasia | 颈外动脉发育不良 |
| ECAD | Electronic Computer Aided Design | 电子计算机辅助设计 |
| ECAD | European Cities Against Drugs | 欧洲城市禁毒 |
| ECAD | Electrical Engineering Computer-Aided Design | 电气工程计算机辅助设计 |