sonar

简明释义

英[ˈsəʊnɑː(r)]美[ˈsoʊnɑːr]

n. 声呐；声波定位仪（等于asdic）

n. （Sonar）人名；（土）索纳尔

复 数 s o n a r s

英英释义

单词用法

同义词

反义词

例句

1.It will deploy a number of technologies to reduce its sonar signature.

该潜艇使用了一系列技术来降低自身的声纳信号。

2.It is known that noise pollution from offshore industry, shipping and sonar can impair underwater communication, but can it really drive whales onto our beaches?

众所周知，来自近海工业、船舶和声纳的噪音污染会阻碍水下通信，但这些噪音真的能把鲸鱼赶到我们的海滩上吗？

3.What is it like riding a bike using sonar?

使用声纳骑自行车是什么感觉？

4.In 1967, Edgerton's side-scan sonar systems revealed a large, unusually shaped object, which McKee believed was the Mary Rose.

1967年，埃杰顿的侧扫声纳系统发现了一个巨大的、形状异常的物体，麦基认为它就是玛丽·罗斯号。

5.The biologists sit in streamside counting towers, study sonar, watch from aeroplanes, and talk to fishermen.

生物学家们会待在河边的计数塔中，研究声纳，从飞机上完成观察活动，以及与渔夫交谈。

6.InfoQ: What is the future road map of the Sonar project?

InfoQ：Sonar项目今后的线路图是如何规划的？

7.Today's vessels can find their prey using satellites and sonar, which were not available 50 years ago.

今天的船只可以利用卫星和声纳来寻找猎物，而这在50年前是不可能的。

8.She says sonar technology cannot always be blamed for mass strandings.

她说不能总是把大规模搁浅归咎于声纳技术。

9.Sonar, radar, cameras, and other observation platforms acquire the data.

声纳、雷达、照相机和其他观测平台便可以获得这些数据。

10.The research vessel deployed sonar to map the ocean floor.

研究船使用声纳来绘制海底地图。

11.Fishermen often rely on sonar technology to locate schools of fish.

渔民们常常依靠声纳技术来寻找鱼群。

12.The sonar system emitted sound waves to measure the distance to the object.

声纳系统发出声波以测量与物体的距离。

13.Using sonar, the team was able to find a sunken ship.

通过使用声纳，团队成功找到了沉船。

14.The submarine used sonar to detect enemy ships.

潜艇使用声纳来探测敌舰。

作文

The ocean is one of the most mysterious and vast environments on our planet. While it covers over 70% of the Earth's surface, much of it remains unexplored. Scientists and researchers have developed various technologies to study the underwater world, and one of the most significant advancements in this field is the use of sonar (声呐). Sonar is an acronym for Sound Navigation and Ranging, and it plays a crucial role in marine exploration and navigation.There are two main types of sonar: active and passive. Active sonar emits sound waves into the water and listens for echoes that bounce back from objects. This method allows researchers to create detailed maps of the seafloor and locate underwater structures or marine life. For example, scientists can use active sonar to detect schools of fish or even submerged shipwrecks. On the other hand, passive sonar involves listening for sounds made by other objects, such as submarines or marine animals. This type of sonar is particularly useful for studying animal behavior and communication.The importance of sonar cannot be overstated. It has revolutionized the way we explore and understand the ocean. Before the advent of sonar, mapping the ocean floor was a challenging task, often relying on rudimentary tools and guesswork. Now, with advanced sonar technology, researchers can produce high-resolution images of the seafloor and identify geological features with remarkable accuracy.Moreover, sonar is not limited to scientific research; it is also widely used in commercial fishing and naval operations. Fishermen utilize sonar to locate fish, ensuring a more efficient catch while minimizing environmental impact. In military applications, sonar is essential for submarine navigation and detecting enemy vessels, making it a critical component of modern naval warfare.Despite its many advantages, the use of sonar is not without controversy. Some environmentalists argue that active sonar can disrupt marine life, particularly species like whales and dolphins that rely on echolocation for communication and navigation. The loud sounds produced by sonar can interfere with their natural behaviors, leading to disorientation or even strandings. As a result, there are ongoing debates about the regulation and use of sonar in sensitive marine areas.In conclusion, sonar is an invaluable tool that has transformed our understanding of the ocean. From mapping the seafloor to aiding in marine conservation efforts, its applications are vast and varied. While it presents challenges, particularly concerning environmental impact, the benefits of sonar in enhancing our knowledge of the underwater world are undeniable. As technology continues to advance, it is essential to strike a balance between utilizing sonar for exploration and protecting the delicate ecosystems of our oceans.

海洋是我们星球上最神秘和广阔的环境之一。虽然它覆盖了地球表面超过70%的面积，但其中许多部分仍未被探索。科学家和研究人员开发了多种技术来研究水下世界，其中最重要的进展之一就是使用声呐（sonar）。声呐是声音导航和测距（Sound Navigation and Ranging）的缩写，它在海洋探索和导航中发挥着至关重要的作用。声呐主要有两种类型：主动声呐和被动声呐。主动声呐向水中发出声波，并监听从物体反弹回来的回声。这种方法使研究人员能够创建海底的详细地图，并定位水下结构或海洋生物。例如，科学家可以使用主动声呐检测鱼群甚至沉没的船只。另一方面，被动声呐则涉及监听其他物体发出的声音，如潜艇或海洋动物。这种类型的声呐对于研究动物行为和交流尤其有用。声呐的重要性不容小觑。它彻底改变了我们探索和理解海洋的方式。在声呐出现之前，绘制海底图是一项具有挑战性的任务，往往依赖于简单的工具和猜测。现在，借助先进的声呐技术，研究人员能够以惊人的精确度生成海底的高分辨率图像并识别地质特征。此外，声呐不仅限于科学研究；它还广泛用于商业捕鱼和海军作战。渔民利用声呐定位鱼类，确保更高效的捕捞，同时最小化对环境的影响。在军事应用中，声呐对于潜艇导航和检测敌方舰艇至关重要，使其成为现代海战的重要组成部分。尽管有很多优点，但使用声呐并非没有争议。一些环保主义者认为，主动声呐可能会干扰海洋生物，特别是依赖回声定位进行交流和导航的鲸鱼和海豚。声呐发出的巨大声音可能会干扰它们的自然行为，导致迷失方向甚至搁浅。因此，关于在敏感海域中使用声呐的监管和使用的辩论仍在继续。总之，声呐是一种无价的工具，彻底改变了我们对海洋的理解。从绘制海底到帮助海洋保护工作，它的应用范围广泛且多样。尽管它带来了挑战，特别是在环境影响方面，但在增强我们对水下世界的知识方面，声呐的好处是不可否认的。随着技术的不断进步，至关重要的是在利用声呐进行探索和保护我们海洋的脆弱生态系统之间取得平衡。