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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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Mark Behr
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marked process
marked ruler
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marker
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marker and cell method
marker-assisted gene polymerization
marker-assisted selection
marker-free transgenic technology
marker gene
marker gene deletion technique
marker horizon
marker residue
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market
marketable pollution permits
marketable value
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