| RECS | Real Estate Cyberspace Specialist (Real Estate Cyberspace Society) | 房产网络空间专家（房产网络空间协会） |
| RECS | Regional Electronic Commerce Society | 区域电子商务协会 |
| RECS | Re Engineered Composite System | 重新设计的复合材料系统 |
| RECS | Race Environment Construction System | 种族环境建设体系 |
| RECS | Renewable Energy Certificate System (Europe) | 可再生能源证书制度（欧洲） |
| RECS | Realistic Enviroment and Climate Simulator | 真实环境和气候模拟器 |
| RECS | Residential Energy Consumption Survey | 住宅能耗调查 |
| RECS | Reconfigurable Electronic Combat System | 可重构电子作战系统 |
| RECS | Radar Embedded Computer System | 雷达嵌入式计算机系统 |
| RECS | Radio-Electronic Combat Support | 无线电电子作战支持 |
| RECS | Renewable Energy Certificate System | 可再生能源证书制度 |