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鳀鱼变水层拖网捕捞
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鳀鱼变水层拖网捕捞
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鳀鱼变水层拖网捕捞
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anchovies pelagic trawl fishing
鳀鱼变水层拖网捕捞
用机动渔船拖曳两翼单囊形网具,专捕处于水域中上层的鳀鱼(Engraulidae),也兼捕鲅鱼、鲐鱼等中上层鱼类的一种拖网捕捞方式。又称鳀鱼中层拖网捕捞、鳀鱼大目拖网捕捞、鳀鱼绳拖网捕捞。
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finitely presented group
finitely presented module
finitely ramified fractal
finitely related presentation
finitely satisfiable set
finitely subanalytic set
finitely terminating system
finitely triangulable space
finitely valued function
finite mapping
finite Markov chain imbedding approach
finite mathematics
finite measurable decomposition
finite measure
finite memory
finite memory channel
finite method
finite mixed regression model
finite model
finite module
finite morphism
finite morphism of curves
finite multiplier
finiteness
finiteness condition
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