frequency coding | |
mil., air.def. | 频率编码 |
system | |
gen. | 体 |
IMF. | 安排 |
leath. | 网 |
med. | 派 |
met. | 装置 |
met. од. | 系 |
tech. | 制度; 方法 |
tech. од. | 体系; 系统 |
| |||
频率编码 | |||
频率密码 |
frequency coding : 15 phrases in 8 subjects |
Air defense | 3 |
Communications | 2 |
Electronics | 2 |
Information technology | 1 |
Rail transport | 1 |
Sports | 1 |
Technology | 3 |
Telecommunications | 2 |