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- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- photoelectric navigation 光电导航
- The compass is an instrument of navigation. 罗盘是航行仪器。
- The theory and practice of aircraft navigation. 航空学飞机航行的理论与实践
- Navigation is difficult on this river because of the hide rock. 因为有暗礁，在这条河上航行很困难。
- Photoelectric work offers the widest scope. 光电工作提供了最广阔的天地。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- The photoelectric cell controls a servomotor. 该光电管控制着一个伺服电动机。
- Sanli Photoelectric Technology Development Co. 三立光电技术开发公司。
- The intensifier tubes use the photoelectric effect. 无源像增强管使用光电效应。
- Inflect the interface for typical navigation. 为常见的导航调整界面。
- The canal has been opened up to steam navigation. 运河已经可以航行轮船。
- Charts are a map adapted specially for navigation. 航图是专门用于导航的一种地图。
- Displays current date and time in navigation pane. 当前的日期和时间会在导航条中显示。
- A photoelectric instrument for ascertaining cloud heights. 云高计测算云高的一种光电设备
- SKINNER: You better? I need some navigation. 斯金纳：好些了吗?我需要指路。
- It is called celestial navigation. 它叫做天文导航。
- It is not easy to understand the navigation menu. 导航菜单不容易理解。
- Photoelectric spectrophotometers give better result. 用光电分光光度计能得到较佳结果。
- Add the arrowhead to the left of navigation menu. 添加导航菜单左侧的小箭头.
