我国海域宽广,鱼类资源丰富,水产部门遵循毛主席关于“独立自主,自力更生”、“艰苦奋斗”、“勤俭建国”的教导,正在不断努力提高渔船捕捞的现代化程度.大批年青的物理学工作者,走上助渔仪器的研究和生产岗位,理论与实践相结合,和工人、技术人员共同研制出不同类型的鱼群探测 China has a wide sea area and rich fish resources. The aquatic sector is continually striving to improve the modernization of fishing by following Chairman Mao’s teachings on “independence, self-reliance,” “arduous struggle,” and “building a thrift nation.” A large number of young physicists , Went to help fishing equipment research and production positions, the combination of theory and practice, and workers, technicians jointly developed different types of fish detection