noun
acoustic fishing method
Technical term in fisheries science; refers to using sound (e.g., sonar) to locate or attract fish.
音響漁法は、魚群探知機を使って魚の位置を特定する技術です。
Acoustic fishing method is a technique that uses fish finders to locate fish.
A fish finder device; 音響漁法 is the broader method or technique that may employ such devices.
Compound of 音響 (sound, acoustics) + 漁法 (fishing method).