plain code
| telegram
| plain code abbr. | |
| tech. | 明码 |
| telegram abbr. | |
| gen. | 电报; 电报学; 电报机; 电话; 电话学 |
| busin. | 电信 |
| commer. | 电报; 电报 |
| econ. | 电报 |
| hydroel.st. | 电报 |
| |||
| 明码 | |||
|
plain code : 4 phrases in 2 subjects |
| Public security | 2 |
| Technology | 2 |