Uses of echo sounding for fishermen

類似資料

• Echo sounding and sonar for fishing
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  出版事項: (1980)
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• Echo fishing
  著者:: Haines, R G
  出版事項: (1969)
• Scine net : its origin evolution and use
  著者:: Thomson, D B
• Sound receptions in fishes
  著者:: Tasvolga, William
  出版事項: (1976)