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- 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。
- The compass is an instrument of navigation. 罗盘是航行仪器。
- navigation sonar 导航声纳
- 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。
- Our main detection device is sonar. 我们主要的探测装置是声波定位仪。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- 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。
- We sat listening to the chat-chat-chatof the sonar. 我们坐下来听声纳的嚓嚓嚓声。
- Cavitation is noisy and easily detected by sonar. 空泡现象是有噪声的并且容易被声纳探测到。
- Sub collides with US destroyer's sonar. 中国潜艇与美驱逐舰声纳相撞。
- We picked up two submarines on sonar. 我们用声波定位仪观察到两条潜水艇。
- Inflect the interface for typical navigation. 为常见的导航调整界面。
- The answer is that they use echolocation or sonar. 答案是：它们用回声定位或者说声纳系统。
- It has been shown that using the sonar to det... 试验研究表明，通过声纳测障，可使集矿机按规划路径进行绕障行走。
- The canal has been opened up to steam navigation. 运河已经可以航行轮船。
- This ship is installed with two sonar detectors. 这艘船上安装了两台声呐探测仪。
- Charts are a map adapted specially for navigation. 航图是专门用于导航的一种地图。
