primary navigation
| reference
| primary navigation | |
| tech. | 沿航线导航 |
| Reference | |
| org.name. | 参考资料 |
| reference | |
| hydroel.st. | 标准 |
| interntl.trade. | 参考证明; 可备咨询者; 备咨; 身份保证人; 保人 |
| met. | 参阅 |
| met. од. | 基准 |
| sport. | 参照 |
| |||
| 沿航线导航 | |||
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primary navigation : 12 phrases in 3 subjects |
| Aviation | 7 |
| Electronics | 4 |
| Space | 1 |