Traditional Culture Encyclopedia - Traditional customs - As the picture shows, fishermen use electronic sounders to attract fish into their nets, because sound can spread _ _ _ _ _ _ _.
As the picture shows, fishermen use electronic sounders to attract fish into their nets, because sound can spread _ _ _ _ _ _ _.
Fishermen can use electronic sounder to attract fish into the net, which shows that water can spread sound;
Because sound can spread in solids, "earth phone" uses tight cotton thread as the medium to spread sound;
So, the answer is: sound transmission; Solid.
- Related articles
- TV how to connect to the network cable to watch TV (TV set connected to the cable network steps)
- Chengdu is a famous tourist city in China. Do you know what Chengdu people have for breakfast?
- Packaging company name nice packaging company name two words
- Seek the timetable of fairs and temple fairs in various regions of Shandong Province.
- The school-running concept of Truth Middle School
- A Brief Introduction to the Author of Seeking Twenty-four Filial Pieties
- On the origin of dried dragon and noodles
- Describe the basic learning stages of life in four-letter words.
- Why is Zhao Yun unknown in the history of God Zhao Yun, the first person in the Three Kingdoms?
- On the national civil service examination (maritime law enforcement work is what?)