code sending
| interval
| code sending abbr. | |
| tech. | 发码 |
| interval abbr. | |
| gen. | 距离 |
| hydroel.st. | 间歇 |
| hydroel.st. од. | 区间 |
| interntl.trade. | 距度 |
| manag. | 组距; 间断时间; 期间 |
| met. | 空隙; 时隙; 范围 |
| |||
| 发码 | |||
|
code sending : 7 phrases in 5 subjects |
| Agriculture | 1 |
| Communications | 2 |
| Electronics | 1 |
| Rail transport | 2 |
| Space | 1 |