| Subject | English | Japanese |
| tech. | common battery type telephone exchange system | 共電式電話交換方式 (きょうでんしきでんわこうかんほうしき) |
| IMF. | exchange system | 為替制度 |
| IMF. | exchange system | 為替相場制度 |
| IMF. | exchange system | 為替取極 |
| gen. | exchange system | 交換系 |
| comp., MS | Exchange System Manager | Exchange システム マネージャー (A collection of Microsoft Management Console (MMC) snap-ins that Microsoft Exchange provides) |