- 航路
- area navigation high route: 區(qū)域?qū)Ш礁呖蘸铰?/li>
- area navigation low route: 區(qū)域?qū)Ш降涂蘸铰?/li>
- area navigation route: 區(qū)域領(lǐng)航航路
- en-route navigation services: 過境導(dǎo)航服務(wù)
- navigation route database: 導(dǎo)航數(shù)據(jù)庫
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