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fish spawning stock biomass
释义
fish spawning stock biomass
Encyclopedia
农学
鱼类亲体量
释
fish spawning stock biomass
鱼类亲体量
鱼类种群在繁殖季节内参加生殖活动的雌、雄个体的数量。鱼类种群生殖潜能的重要指标之一,也是反映渔业资源种群动态的主要变量之一。
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parabolic conchoid
parabolic cone
parabolic congruence
parabolic coordinate
parabolic coordinate system
parabolic curve
parabolic cusp
parabolic cyclide
parabolic cylinder
parabolic cylinder antenna
parabolic-cylinder coordinate
parabolic cylinder differential equation
parabolic cylinder function
parabolic cylindrical surface
parabolic differential equation
parabolic differential operator
parabolic differential system
parabolic dish antenna
parabolic element
parabolic-elliptic motion
parabolic equation
parabolic-equation method
parabolic exponential function
parabolic fixed point
parabolic folium
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