transfer frame secondary header
| data field
| transfer frame secondary header abbr. | |
| space | 传送帧副头 |
| data field abbr. | |
| comp., MS | 資料欄位 |
| geogr. | 数据域 |
| IT | 数据段 |
| math. | 数据范围 |
| met. | 数据区; 数据组 |
| space | 数据字组 |
| |||
| 传送帧副头 | |||
|
transfer frame secondary header : 3 phrases in 1 subject |
| Space | 3 |