reply-frequency
| coding
| reply frequency abbr. | |
| TV | 应答频率 |
| coding abbr. | |
| bridg.constr. | 编程序; 顺号 |
| hydroel.st. од. | 编码 |
| interntl.trade. | 编制程序 |
| math. | 程序; 符号代语 |
| met. | 编号 |
| qual.cont. | 编制 |
| skydive. | 译成电码 |
| sport. med. | 解码 |
| |||
| 应答频率 | |||
|
reply-frequency : 2 phrases in 2 subjects |
| Air defense | 1 |
| Technology | 1 |