 |
| Chinese | English |
| 初级中心 | primary center (CCITT 五级网最低级长途交换中心，相当于中国网 C4) |
| 初级中心 | primary |
| 初级仿真器 | entry-level emulator |
| 初级密钥 | primary key |
| 初级工程开发样机 | preliminary engineering development model |
| 初级用户 | naive user |
|
| Chinese | English |
| 初级中心 | primary center (CCITT 五级网最低级长途交换中心，相当于中国网 C4) |
| 初级中心 | primary |
| 初级仿真器 | entry-level emulator |
| 初级密钥 | primary key |
| 初级工程开发样机 | preliminary engineering development model |
| 初级用户 | naive user |