code extension
| key
| code extension | |
| telecom. од. | 代码扩充 |
| key | |
| cartogr. | 图例 |
| comp. | 信息标号 |
| met. | 按钮; 销; 要害; 解答; 答案 |
| met. од. | 楔 |
| sport. од. | 键 |
| |||
| ★ 代码扩充 | |||
|
code extension : 8 phrases in 4 subjects |
| Information technology | 3 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 2 |