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purse seine design
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purse seine design
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围网设计
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purse seine design
围网设计
根据围网捕捞原理,基于捕捞鱼群游动速度和栖息水深、渔船性能和起网机械的特性,以及渔场环境特点等确定作业方式和渔具结构形式,确定网具的长度、高度、网衣材料、上下纲长度比值、浮沉力等尺度和技术参数等的创造性过程。
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imperfect elastic collision
imperfect field
imperfect fluid
imperfect fungi
imperfect gas
imperfect information
imperfection
imperfect learning
imperfect maintenance
imperfectness
imperfect number
imperfect scattering
imperforate
imperforate hymen
imperforation
imperial abatement or exemption edict
Imperial Academy of Empress Wuzetian
imperial academy of medicine
Imperial Academy of Northern Wei Dynasty at Pingcheng
imperial admonition
Imperial Ancestral Shrine
Imperial Ancestral Temple
imperial archive
Imperial Archives
imperial archives
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