heading reference
| system
| heading reference abbr. | |
| avia. од. | 航向基准 |
| system abbr. | |
| gen. | 体 |
| IMF. | 安排 |
| interntl.trade. | 系统分析 |
| math. | SPOOLING 系统 |
| met. | 装置 |
| met. од. | 系 |
| tech. | 制度; 方法 |
| tech. од. | 体系; 系统 |
| |||
| ★ 航向基准 | |||
|
heading reference : 37 phrases in 5 subjects |
| Automobiles | 1 |
| Aviation | 27 |
| Electronics | 3 |
| Oil / petroleum | 1 |
| Space | 5 |