Sound it Out: Understanding Sonar
The ocean covers 71% of the Earth’s surface, and navigating it may seem impossible. But sonar technology has been an irreplaceable tool for exploring the ocean’s depths. Let’s take a look at what sonar is all about and how it works.
- 参照元：https://www.anchorexpress.com/blog/Sound-It-Out-Understanding-Sonar-INFOGRAPHIC
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