国外在渔业上对探鱼仪的应用是开始于四十年代,而我国是从五十年代开始引进国外的产品,到六十年代以后才陆续的进行有关探鱼仪的研制,并投入了成批的生产。国外在近十几年来,由于电子科学技术的飞跃发展,使得探鱼仪器也进入了现代化的电子计算机时代。对探测鱼群的准确性和捕捞的可靠性能够提供完整的信息。科学的、瞄准的捕鱼形式已经成为事实。七八年底挪威“西姆拉”公司来华讲授CD型渔用环境显示声纳系统就是一例。但 The foreign use of the fish finder in the fishing industry began in the 1940s. Our country introduced foreign products from the 1950s. Only after the 1960s did the research on the fish finder commenced, Batch production. In the last decade or so, due to the rapid development of electronic science and technology, foreign fish exploration instruments have also entered the era of modern electronic computers. The accuracy of the detection of fish stocks and the reliability of fishing can provide complete information. The scientific, aiming fishing form has become a reality. The end of Seventy-eight Norwegian “Simla” company to teach in China CD-type fishing environment display sonar system is an example. but