 |
| |||
| 向下数值计数器 | |||
| 倒计数器 | |||
| 降计数器; 逐减计数器 | |||
| |||
| 逐减〔反向，可逆〕计数器 | |||
| down counter: 13 phrases in 7 subjects |
| Astronautics | 1 |
| Computers | 1 |
| Information technology | 3 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 2 |
|
| |||
| 向下数值计数器 | |||
| 倒计数器 | |||
| 降计数器; 逐减计数器 | |||
| |||
| 逐减〔反向，可逆〕计数器 | |||
| down counter: 13 phrases in 7 subjects |
| Astronautics | 1 |
| Computers | 1 |
| Information technology | 3 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 2 |