| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | sonar | naval | Used for detecting and locating objects underwater, such as submarines and sea mines. | 1 |
| 2 | sonar | naval | Sonar is a crucial technology for naval operations, used for detecting submarines and underwater objects. | 1 |
| 3 | sonar | naval | Used for underwater navigation and detection of objects for naval and military purposes. | 1 |