| 1. | Charts are a map adapted specially for navigation .
航图是专门用于导航的一种地图。 |
| 2. | It is called celestial navigation .
它叫做天文导航。 |
| 3. | The compass made possible navigation out of sight of land .
罗盘使得远洋航行成为可能。 |
| 4. | There has been an increase in navigation through the canal .
通过那条运河的船数增多了。 |
| 5. | There has been an increase in navigation through the canal .
通过该运河的船只已经增加了。 |
| 6. | Temporary supports would have impeded navigation in the channel .
临时支架将妨碍河道航运。 |
| 7. | Most of the young men of this region go in for training in navigation .
这个地区的年青人大都去接受航海训练。 |
| 8. | Shifting bars are a hazard to navigation and expensive to regulate .
移动沙洲将危害通航，而且要花费资金进行整治。 |
| 9. | We look forward to finding further answers to the mystery of animal navigation .
我们期望进一步解开动物导航之迷。 |
| 10. | Naval officers must understand both the theory and the practice of navigation .
海军军官必须了解航海术的理论与实践。 |
