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Fishing technology

Fishing methods can be generally divided into three main links: fish exploration, fish collection and fishing. Fish are found by naked eyes, using vertical fish finder, fishing sonar, remote sensing equipment, etc. Fish collection is a habit of using fish, using sound, light, electricity or air curtains to trap or drive away fish. For example, in the water, the sound collecting device is to pre-record the sounds of the fish's joy and disgust on the tape and play it out.