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日本近十年(1970—1979年)的渔船研究重点主要放在:(一)渔船的船体研究:包括复原性研究;玻璃,钢渔船的研制;省能渔船的研制以及有关提高渔船,的渔业经济性研究等。(二)渔船机械的研究:包括润滑油管理的合理化;长时间不更油系统。(三)测量器具的研究:包括渔具自动控制方式的研究;新型海洋观测仪器的研制。(四)音响研究:包括音响渔法、海底地质判别技术;FM 探鱼仪的研制。该探鱼仪不仅能获得有关鱼群位置、大小的信息,而且也能得到鱼的回游速度和活动的情报,并对鱼的体长和品种进行预测。预
The focus of research on fishing vessels in Japan during the past decade (1970-1979) mainly focused on: (i) hull research on fishing vessels: including restoration research; development of glass and steel fishing vessels; research and development of energy-saving fishing vessels and fisheries related to the enhancement of fishing vessels Economic research. (B) fishing machinery research: including the rationalization of oil management; long time not to oil system. (C) of measuring instruments: including the automatic control of fishing gear research; development of new ocean observation instruments. (D) audio research: including acoustic fishing law, sea floor geological identification technology; FM fishfinder research. The fish finder can not only get information about the location and size of a fish, but also obtain information on the speed and activity of the fish and predict the body length and variety of the fish. Pre-