About MIYASHITA KAZUSHI
About 北大 フィールド科セ
About TOMIYASU MAKOTO
About KO EN'YU
About ABE KOKI
About 水研セ 水工研
About MINAMI KENJI
About HAMADA TAKASHI
About 大分うみたまご
About TAKESHITA FUMIO
About TAKAHASHI RYUZO
About 水研セ 水工研
About MITANI YOKO
About 北大 フィールド科セ
About 水産海洋研究
About Trichiurus lepturus
About investigation
About fish finder
About Biomass
About swimming (fish)
About angle
About ultrasonic measurement
About Environmental Monitoring
About acoustic measurement
About quantitative echo sounder
About attitude angle
About monitoring by ship
About Trichiurus japonicus
About survey of natural resources
About biomass
About monitoring of global Environment by marine vessel
About Fishes
About Fishing grounds and fishing conditions
About 計量
About 魚探
About 調査