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1·The crash was a direct result of inadequate navigational aids.

坠机是导航不力的直接后果。《柯林斯英汉双解大词典》

2·Today I want to talk about the importance of stars for early seafarers, about how the fixed patterns of stars were used as navigational aids.

今天我想谈谈恒星对早期航海者的重要性，以及恒星的固定模式是如何被用作助航工具的。

3·These virtual folders serve only as organizational and navigational AIDS.

这些虚拟资料夹只有提供组织性和巡览性的辅助。

4·There are two other sets of navigational AIDS to consider as you design your site.

当你设计你的站点的时候，需要考虑另外两套导航设备。

5·Travelers were not the of the sea even though they did not have modern navigational aids.

即使没有现代航海工具的帮助，旅行家们也不是任凭大海摆布的。

6·The focus now is on reinstalling navigational AIDS that were destroyed or carried away during the hurricane, Metz said.

“现在的焦点是重新设置航行辅助设施，原先的设施被飓风毁坏或刮走了，”梅兹说。

7·The voyages of travelers before the 17th century show that they were not at the mercy of the sea even though they did not have modern navigational AIDS.

17世纪前的海上航行表明，即使没有现代航海术的帮助，旅行者也没有受大海的支配。

8·The voyages of travelers before the 17th century show that they were not at the mercy of the sea even though they did not have modern navigational aids.

17世纪前的海上航行表明， 即使没有现代航海术的帮助， 旅行者也没有受大海的支配。

9·Not having proper navigational AIDS the pilot had been unaware of the changing conditions and had flown the plane right into the eye of the tropical storm.

由于没有适当的导航援助，飞行员不了解四周气候的变化情况，将飞机直接飞入了热带飓风眼内。

10·It shall be forbidden to damage navigation AIDS or navigational facilities.

禁止损坏助航标志和导航设施。