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拖网设计
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拖网设计
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拖网设计
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trawl design
拖网设计
根据拖网捕捞作业原理,基于主捕对象及其生物学习性、作业渔场的环境特点、渔船规模和拖曳能力等条件,确定拖网作业方式和渔具结构形式,以及网具的主尺度和技术参数、属具的配备等创造性过程。
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the history of E-government in Japan
the history of E-government in Singapore
the history of E-government in South Korea
The History of Emily Montague
the history of environmental philosophy
The history of foreign language teaching
The History of Humanity
The History of Human Marriage
the history of industrial machinery
the history of insurance investment in the People's Republic of China
the history of irrigation and water conservancy in China
the history of irrigation technology in China
The History of Jilin Opera
The history of legislation of the Republic of China
The history of medicine in Modern China
The History of Modern and Contemporary Chinese Dance Drama
The History of Modern and Contemporary Dance in China
The History of Modern Western Psychology
the history of pig production in China
the history of poultry
the history of reading
The History of Sexuality
The History of Sir Charles Grandison
The History of the Decline and Fall of the Roman Empire
the history of US E-government development
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