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围网捕捞
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purse seining
围网捕捞
用长带形或一囊两长翼形网具,包围密集鱼群进行捕捞的作业方式。是捕捞海洋中上层鱼类的主要捕捞作业之一。世界海洋围网捕捞产量占海洋总捕捞产量的25%~30%。大型湖泊和水库中也有使用。
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Historical Events in Their Entirety,block-printed edition by Yanlingjunzhai,second year of Chunxi era,Song Dynasty
historical evidence
historical evolutionism
Historical Excerpts
historical exhibition
historical explanation
historical facts
historical fatalism
Historical figures of water science and technology in China
historical f ilm
historical geographical names
historical geography
historical geography information system
historical geomorphology
historical idealism
historical indeterminism
historical institutionalism
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Historical Journal
historical knowledge
Historical Lessons
Historical Linguistics
Historical Linguistics Research
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historical materialism
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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