| |||
| 打字机等键的一击 | |||
| 击键 | |||
| 按键 | |||
|
keystroke : 8 phrases in 5 subjects |
| Air defense | 1 |
| Cryptography | 3 |
| Information technology | 1 |
| Technology | 1 |
| Telecommunications | 2 |
| |||
| 打字机等键的一击 | |||
| 击键 | |||
| 按键 | |||
|
keystroke : 8 phrases in 5 subjects |
| Air defense | 1 |
| Cryptography | 3 |
| Information technology | 1 |
| Technology | 1 |
| Telecommunications | 2 |