extended operation
| code
| extended operation abbr. | |
| avia. | 延程运行 |
| code abbr. | |
| gen. | 为...编码 |
| el. | 规则 |
| hydroel.st. | 编码; 标准 |
| hydroel.st. од. | 法规 |
| met. | 码; 电码; 符号; 标记; 规则 |
| |||
| 延程运行 | |||
| 扩展操作; 扩充操作 | |||
|
extended operation : 16 phrases in 7 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 6 |
| China | 1 |
| Information technology | 1 |
| Space | 2 |
| Technology | 3 |