system data format
| output routine
| system data format abbr. | |
| el. | 系统数据格式 |
| output routine abbr. | |
| met. | 输出程序 |
| tech. | 输出例行程序 |
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| 系统数据格式 | |||
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system data format : 6 phrases in 4 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 3 |
| Multimedia | 1 |