program clock
| reference
| program clock abbr. | |
| avia. | 程序时钟 |
| tech. | 程序钟; 自动报时装置 |
| Reference abbr. | |
| org.name. | 参考资料 |
| reference abbr. | |
| hydroel.st. | 标准 |
| interntl.trade. | 参考证明; 可备咨询者; 备咨; 身份保证人; 保人 |
| met. | 参阅 |
| met. од. | 基准 |
| sport. | 参照 |
| |||
| 程序时钟 | |||
| 程序钟; 自动报时装置 | |||
| |||
| 程序钟; 程序时钟 | |||
|
program clock : 9 phrases in 4 subjects |
| Electronics | 2 |
| Information technology | 1 |
| Space | 1 |
| Technology | 5 |