stored program controlled
| telephone switching system
| stored program controlled | |
| telecom. | 存储程序控制系统; SPC 系统; 程控系统 |
| telephone switching system | |
| tech. | 电话交换系统 |
| |||
| 存储程序控制系统; SPC 系统; 程控系统 | |||
|
stored program controlled : 9 phrases in 3 subjects |
| Rail transport | 1 |
| Technology | 2 |
| Telecommunications | 6 |