您要查找的是不是：
- Error Evaluation in Doppler Sonar Navigator 多普勒声纳导航仪误差的估值
- Doppler sonar navigator 多普勒声纳导航仪
- Sonar is an acronym for sound navigation ranging. “sonar”（声纳）是“sound navigation and ranging”（声音导航和测距）的首字母缩写词。
- 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。
- Design of the Doppler navigation system. 水下航行器的多普勒导航系统设计。
- The compass is an instrument of navigation. 罗盘是航行仪器。
- Doppler sonar transducer 多普勒声纳转换器
- sonar navigation 声波导航
- Doppler sonar system 多普勒声纳系统
- The theory and practice of aircraft navigation. 航空学飞机航行的理论与实践
- Doppler Sonar Velocity Log 多普勒声呐速度记录器
- Doppler sonar 多普勒声纳
- 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。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- Our main detection device is sonar. 我们主要的探测装置是声波定位仪。
- I'm getting a strong response on the sonar. 我在声纳上测得强力反应。
- The whales need sonar to find food. 而鲸鱼就是靠这种能力来寻找食物的。
- Inflect the interface for typical navigation. 为常见的导航调整界面。
- We sat listening to the chat-chat-chatof the sonar. 我们坐下来听声纳的嚓嚓嚓声。
- The canal has been opened up to steam navigation. 运河已经可以航行轮船。
