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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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pure nutrient analysis
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pure periodic continued fraction
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pure quaternion
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pure red samite with flowers and birds design
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Pure Semantics
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pure set theory
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