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鱼类种群数量变动
释义
鱼类种群数量变动
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鱼类种群数量变动
释
fish population dynamics
鱼类种群数量变动
渔业资源任何一个种群,因受捕捞或环境等的影响而数量不断变化的现象。又称鱼类数量变动、经济鱼类数量变动。
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lawn brown speckle disease
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